Home / 783,149.40-1,174,724.10-742,714.20

Finding the Fourth Proportional to 783,149.40, 1,174,724.10 and 742,714.20

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Solution

The fourth proportional to 783,149.40, 1,174,724.10 and 742,714.20 is: 1,114,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,149.40 : 1,174,724.10 = 742,714.20 : x
  2. Step 2: Convert to fraction form
    783,149.40/1,174,724.10 = 742,714.20/x
  3. Step 3: Cross multiply
    783,149.40x = 1,174,724.10 × 742,714.20
  4. Step 4: Simplify right side
    783,149.40x = 872,484,270,152.22
  5. Step 5: Solve for x
    x = 872,484,270,152.22/783,149.40
  6. Step 6: Final answer
    x = 1,114,071.30

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Similar ratio
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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.