Home / 1,528,792.40-2,109,761.16-884,248.40

Finding the Fourth Proportional to 1,528,792.40, 2,109,761.16 and 884,248.40

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Solution

The fourth proportional to 1,528,792.40, 2,109,761.16 and 884,248.40 is: 1,220,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,792.40 : 2,109,761.16 = 884,248.40 : x
  2. Step 2: Convert to fraction form
    1,528,792.40/2,109,761.16 = 884,248.40/x
  3. Step 3: Cross multiply
    1,528,792.40x = 2,109,761.16 × 884,248.40
  4. Step 4: Simplify right side
    1,528,792.40x = 1,865,552,930,112.14
  5. Step 5: Solve for x
    x = 1,865,552,930,112.14/1,528,792.40
  6. Step 6: Final answer
    x = 1,220,278.78

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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.