Home / 1,048,435.20-1,572,307.20-383,500.80

Finding the Fourth Proportional to 1,048,435.20, 1,572,307.20 and 383,500.80

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Solution

The fourth proportional to 1,048,435.20, 1,572,307.20 and 383,500.80 is: 575,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,435.20 : 1,572,307.20 = 383,500.80 : x
  2. Step 2: Convert to fraction form
    1,048,435.20/1,572,307.20 = 383,500.80/x
  3. Step 3: Cross multiply
    1,048,435.20x = 1,572,307.20 × 383,500.80
  4. Step 4: Simplify right side
    1,048,435.20x = 602,981,069,045.76
  5. Step 5: Solve for x
    x = 602,981,069,045.76/1,048,435.20
  6. Step 6: Final answer
    x = 575,124.79

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Double scale
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Similar ratio
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1.5x scale

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.