Home / 1,490,292.40-2,234,184.72-648,209.92

Finding the Fourth Proportional to 1,490,292.40, 2,234,184.72 and 648,209.92

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Solution

The fourth proportional to 1,490,292.40, 2,234,184.72 and 648,209.92 is: 971,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,292.40 : 2,234,184.72 = 648,209.92 : x
  2. Step 2: Convert to fraction form
    1,490,292.40/2,234,184.72 = 648,209.92/x
  3. Step 3: Cross multiply
    1,490,292.40x = 2,234,184.72 × 648,209.92
  4. Step 4: Simplify right side
    1,490,292.40x = 1,448,220,698,616.42
  5. Step 5: Solve for x
    x = 1,448,220,698,616.42/1,490,292.40
  6. Step 6: Final answer
    x = 971,769.50

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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.