Home / 1,488,687.10-2,233,030.65-921,816.70

Finding the Fourth Proportional to 1,488,687.10, 2,233,030.65 and 921,816.70

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Solution

The fourth proportional to 1,488,687.10, 2,233,030.65 and 921,816.70 is: 1,382,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,687.10 : 2,233,030.65 = 921,816.70 : x
  2. Step 2: Convert to fraction form
    1,488,687.10/2,233,030.65 = 921,816.70/x
  3. Step 3: Cross multiply
    1,488,687.10x = 2,233,030.65 × 921,816.70
  4. Step 4: Simplify right side
    1,488,687.10x = 2,058,444,944,781.85
  5. Step 5: Solve for x
    x = 2,058,444,944,781.85/1,488,687.10
  6. Step 6: Final answer
    x = 1,382,725.05

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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.