Home / 1,488,688.10-2,233,032.15-921,817.70

Finding the Fourth Proportional to 1,488,688.10, 2,233,032.15 and 921,817.70

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Solution

The fourth proportional to 1,488,688.10, 2,233,032.15 and 921,817.70 is: 1,382,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,688.10 : 2,233,032.15 = 921,817.70 : x
  2. Step 2: Convert to fraction form
    1,488,688.10/2,233,032.15 = 921,817.70/x
  3. Step 3: Cross multiply
    1,488,688.10x = 2,233,032.15 × 921,817.70
  4. Step 4: Simplify right side
    1,488,688.10x = 2,058,448,560,539.06
  5. Step 5: Solve for x
    x = 2,058,448,560,539.06/1,488,688.10
  6. Step 6: Final answer
    x = 1,382,726.55

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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.