Home / 1,429,693.20-1,972,976.57-785,124.16

Finding the Fourth Proportional to 1,429,693.20, 1,972,976.57 and 785,124.16

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Solution

The fourth proportional to 1,429,693.20, 1,972,976.57 and 785,124.16 is: 1,083,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,693.20 : 1,972,976.57 = 785,124.16 : x
  2. Step 2: Convert to fraction form
    1,429,693.20/1,972,976.57 = 785,124.16/x
  3. Step 3: Cross multiply
    1,429,693.20x = 1,972,976.57 × 785,124.16
  4. Step 4: Simplify right side
    1,429,693.20x = 1,549,031,572,220.93
  5. Step 5: Solve for x
    x = 1,549,031,572,220.93/1,429,693.20
  6. Step 6: Final answer
    x = 1,083,471.32

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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.