Home / 1,128,612.59-1,557,382.29-669,648.16

Finding the Fourth Proportional to 1,128,612.59, 1,557,382.29 and 669,648.16

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Solution

The fourth proportional to 1,128,612.59, 1,557,382.29 and 669,648.16 is: 924,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,612.59 : 1,557,382.29 = 669,648.16 : x
  2. Step 2: Convert to fraction form
    1,128,612.59/1,557,382.29 = 669,648.16/x
  3. Step 3: Cross multiply
    1,128,612.59x = 1,557,382.29 × 669,648.16
  4. Step 4: Simplify right side
    1,128,612.59x = 1,042,898,188,117.40
  5. Step 5: Solve for x
    x = 1,042,898,188,117.40/1,128,612.59
  6. Step 6: Final answer
    x = 924,053.30

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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.