Home / 1,001,490.72-1,502,481.84-291,525.12

Finding the Fourth Proportional to 1,001,490.72, 1,502,481.84 and 291,525.12

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Solution

The fourth proportional to 1,001,490.72, 1,502,481.84 and 291,525.12 is: 437,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,490.72 : 1,502,481.84 = 291,525.12 : x
  2. Step 2: Convert to fraction form
    1,001,490.72/1,502,481.84 = 291,525.12/x
  3. Step 3: Cross multiply
    1,001,490.72x = 1,502,481.84 × 291,525.12
  4. Step 4: Simplify right side
    1,001,490.72x = 438,011,198,703.82
  5. Step 5: Solve for x
    x = 438,011,198,703.82/1,001,490.72
  6. Step 6: Final answer
    x = 437,359.22

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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.