Home / 1,224,909.20-1,839,332.10-890,298.20

Finding the Fourth Proportional to 1,224,909.20, 1,839,332.10 and 890,298.20

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Solution

The fourth proportional to 1,224,909.20, 1,839,332.10 and 890,298.20 is: 1,336,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,909.20 : 1,839,332.10 = 890,298.20 : x
  2. Step 2: Convert to fraction form
    1,224,909.20/1,839,332.10 = 890,298.20/x
  3. Step 3: Cross multiply
    1,224,909.20x = 1,839,332.10 × 890,298.20
  4. Step 4: Simplify right side
    1,224,909.20x = 1,637,554,057,832.22
  5. Step 5: Solve for x
    x = 1,637,554,057,832.22/1,224,909.20
  6. Step 6: Final answer
    x = 1,336,877.92

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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.