Home / 1,074,542.48-1,482,704.16-621,746

Finding the Fourth Proportional to 1,074,542.48, 1,482,704.16 and 621,746

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Solution

The fourth proportional to 1,074,542.48, 1,482,704.16 and 621,746 is: 857,914.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,542.48 : 1,482,704.16 = 621,746 : x
  2. Step 2: Convert to fraction form
    1,074,542.48/1,482,704.16 = 621,746/x
  3. Step 3: Cross multiply
    1,074,542.48x = 1,482,704.16 × 621,746
  4. Step 4: Simplify right side
    1,074,542.48x = 921,865,380,663.36
  5. Step 5: Solve for x
    x = 921,865,380,663.36/1,074,542.48
  6. Step 6: Final answer
    x = 857,914.32

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Double scale
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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.