Home / 1,230,152.40-1,843,732.50-870,426.90

Finding the Fourth Proportional to 1,230,152.40, 1,843,732.50 and 870,426.90

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Solution

The fourth proportional to 1,230,152.40, 1,843,732.50 and 870,426.90 is: 1,304,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,152.40 : 1,843,732.50 = 870,426.90 : x
  2. Step 2: Convert to fraction form
    1,230,152.40/1,843,732.50 = 870,426.90/x
  3. Step 3: Cross multiply
    1,230,152.40x = 1,843,732.50 × 870,426.90
  4. Step 4: Simplify right side
    1,230,152.40x = 1,604,834,364,404.25
  5. Step 5: Solve for x
    x = 1,604,834,364,404.25/1,230,152.40
  6. Step 6: Final answer
    x = 1,304,581.74

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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.