Home / 1,300,399.92-1,950,731.10-490,581.16

Finding the Fourth Proportional to 1,300,399.92, 1,950,731.10 and 490,581.16

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Solution

The fourth proportional to 1,300,399.92, 1,950,731.10 and 490,581.16 is: 735,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,399.92 : 1,950,731.10 = 490,581.16 : x
  2. Step 2: Convert to fraction form
    1,300,399.92/1,950,731.10 = 490,581.16/x
  3. Step 3: Cross multiply
    1,300,399.92x = 1,950,731.10 × 490,581.16
  4. Step 4: Simplify right side
    1,300,399.92x = 956,991,921,009.25
  5. Step 5: Solve for x
    x = 956,991,921,009.25/1,300,399.92
  6. Step 6: Final answer
    x = 735,921.24

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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.