Home / 1,342,563.40-2,013,845.10-456,099.40

Finding the Fourth Proportional to 1,342,563.40, 2,013,845.10 and 456,099.40

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Solution

The fourth proportional to 1,342,563.40, 2,013,845.10 and 456,099.40 is: 684,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,563.40 : 2,013,845.10 = 456,099.40 : x
  2. Step 2: Convert to fraction form
    1,342,563.40/2,013,845.10 = 456,099.40/x
  3. Step 3: Cross multiply
    1,342,563.40x = 2,013,845.10 × 456,099.40
  4. Step 4: Simplify right side
    1,342,563.40x = 918,513,541,802.94
  5. Step 5: Solve for x
    x = 918,513,541,802.94/1,342,563.40
  6. Step 6: Final answer
    x = 684,149.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.