Home / 1,035,520.20-1,553,280.30-287,566.20

Finding the Fourth Proportional to 1,035,520.20, 1,553,280.30 and 287,566.20

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Solution

The fourth proportional to 1,035,520.20, 1,553,280.30 and 287,566.20 is: 431,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,520.20 : 1,553,280.30 = 287,566.20 : x
  2. Step 2: Convert to fraction form
    1,035,520.20/1,553,280.30 = 287,566.20/x
  3. Step 3: Cross multiply
    1,035,520.20x = 1,553,280.30 × 287,566.20
  4. Step 4: Simplify right side
    1,035,520.20x = 446,670,913,405.86
  5. Step 5: Solve for x
    x = 446,670,913,405.86/1,035,520.20
  6. Step 6: Final answer
    x = 431,349.30

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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.