Home / 1,578,411.06-2,367,638.46-513,458.70

Finding the Fourth Proportional to 1,578,411.06, 2,367,638.46 and 513,458.70

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Solution

The fourth proportional to 1,578,411.06, 2,367,638.46 and 513,458.70 is: 770,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,411.06 : 2,367,638.46 = 513,458.70 : x
  2. Step 2: Convert to fraction form
    1,578,411.06/2,367,638.46 = 513,458.70/x
  3. Step 3: Cross multiply
    1,578,411.06x = 2,367,638.46 × 513,458.70
  4. Step 4: Simplify right side
    1,578,411.06x = 1,215,684,565,741.60
  5. Step 5: Solve for x
    x = 1,215,684,565,741.60/1,578,411.06
  6. Step 6: Final answer
    x = 770,195.16

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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.