Home / 1,001,665.20-1,502,500.50-291,710.64

Finding the Fourth Proportional to 1,001,665.20, 1,502,500.50 and 291,710.64

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Solution

The fourth proportional to 1,001,665.20, 1,502,500.50 and 291,710.64 is: 437,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,665.20 : 1,502,500.50 = 291,710.64 : x
  2. Step 2: Convert to fraction form
    1,001,665.20/1,502,500.50 = 291,710.64/x
  3. Step 3: Cross multiply
    1,001,665.20x = 1,502,500.50 × 291,710.64
  4. Step 4: Simplify right side
    1,001,665.20x = 438,295,382,455.32
  5. Step 5: Solve for x
    x = 438,295,382,455.32/1,001,665.20
  6. Step 6: Final answer
    x = 437,566.75

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Double scale
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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.