Home / 1,220,376.04-1,684,175.46-710,996.20

Finding the Fourth Proportional to 1,220,376.04, 1,684,175.46 and 710,996.20

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Solution

The fourth proportional to 1,220,376.04, 1,684,175.46 and 710,996.20 is: 981,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,376.04 : 1,684,175.46 = 710,996.20 : x
  2. Step 2: Convert to fraction form
    1,220,376.04/1,684,175.46 = 710,996.20/x
  3. Step 3: Cross multiply
    1,220,376.04x = 1,684,175.46 × 710,996.20
  4. Step 4: Simplify right side
    1,220,376.04x = 1,197,442,352,193.25
  5. Step 5: Solve for x
    x = 1,197,442,352,193.25/1,220,376.04
  6. Step 6: Final answer
    x = 981,207.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.