Home / 1,120,707.52-1,546,569.03-637,272.70

Finding the Fourth Proportional to 1,120,707.52, 1,546,569.03 and 637,272.70

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Solution

The fourth proportional to 1,120,707.52, 1,546,569.03 and 637,272.70 is: 879,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,707.52 : 1,546,569.03 = 637,272.70 : x
  2. Step 2: Convert to fraction form
    1,120,707.52/1,546,569.03 = 637,272.70/x
  3. Step 3: Cross multiply
    1,120,707.52x = 1,546,569.03 × 637,272.70
  4. Step 4: Simplify right side
    1,120,707.52x = 985,586,221,484.48
  5. Step 5: Solve for x
    x = 985,586,221,484.48/1,120,707.52
  6. Step 6: Final answer
    x = 879,432.15

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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.