Home / 1,085,685.86-1,498,125.66-602,129.90

Finding the Fourth Proportional to 1,085,685.86, 1,498,125.66 and 602,129.90

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Solution

The fourth proportional to 1,085,685.86, 1,498,125.66 and 602,129.90 is: 830,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,685.86 : 1,498,125.66 = 602,129.90 : x
  2. Step 2: Convert to fraction form
    1,085,685.86/1,498,125.66 = 602,129.90/x
  3. Step 3: Cross multiply
    1,085,685.86x = 1,498,125.66 × 602,129.90
  4. Step 4: Simplify right side
    1,085,685.86x = 902,066,253,843.23
  5. Step 5: Solve for x
    x = 902,066,253,843.23/1,085,685.86
  6. Step 6: Final answer
    x = 830,872.25

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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.