Home / 1,016,209.40-1,402,394.72-557,342.24

Finding the Fourth Proportional to 1,016,209.40, 1,402,394.72 and 557,342.24

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Solution

The fourth proportional to 1,016,209.40, 1,402,394.72 and 557,342.24 is: 769,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,209.40 : 1,402,394.72 = 557,342.24 : x
  2. Step 2: Convert to fraction form
    1,016,209.40/1,402,394.72 = 557,342.24/x
  3. Step 3: Cross multiply
    1,016,209.40x = 1,402,394.72 × 557,342.24
  4. Step 4: Simplify right side
    1,016,209.40x = 781,613,804,810.29
  5. Step 5: Solve for x
    x = 781,613,804,810.29/1,016,209.40
  6. Step 6: Final answer
    x = 769,146.41

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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.