Home / 1,513,043.61-2,269,701.72-488,398.19

Finding the Fourth Proportional to 1,513,043.61, 2,269,701.72 and 488,398.19

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Solution

The fourth proportional to 1,513,043.61, 2,269,701.72 and 488,398.19 is: 732,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,043.61 : 2,269,701.72 = 488,398.19 : x
  2. Step 2: Convert to fraction form
    1,513,043.61/2,269,701.72 = 488,398.19/x
  3. Step 3: Cross multiply
    1,513,043.61x = 2,269,701.72 × 488,398.19
  4. Step 4: Simplify right side
    1,513,043.61x = 1,108,518,198,707.89
  5. Step 5: Solve for x
    x = 1,108,518,198,707.89/1,513,043.61
  6. Step 6: Final answer
    x = 732,641.27

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.