Home / 1,490,238.72-2,235,461.76-493,666.56

Finding the Fourth Proportional to 1,490,238.72, 2,235,461.76 and 493,666.56

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Solution

The fourth proportional to 1,490,238.72, 2,235,461.76 and 493,666.56 is: 740,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,238.72 : 2,235,461.76 = 493,666.56 : x
  2. Step 2: Convert to fraction form
    1,490,238.72/2,235,461.76 = 493,666.56/x
  3. Step 3: Cross multiply
    1,490,238.72x = 2,235,461.76 × 493,666.56
  4. Step 4: Simplify right side
    1,490,238.72x = 1,103,572,717,070.75
  5. Step 5: Solve for x
    x = 1,103,572,717,070.75/1,490,238.72
  6. Step 6: Final answer
    x = 740,534.19

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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.