Home / 1,254,410.81-1,731,031.45-710,535.65

Finding the Fourth Proportional to 1,254,410.81, 1,731,031.45 and 710,535.65

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Solution

The fourth proportional to 1,254,410.81, 1,731,031.45 and 710,535.65 is: 980,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,410.81 : 1,731,031.45 = 710,535.65 : x
  2. Step 2: Convert to fraction form
    1,254,410.81/1,731,031.45 = 710,535.65/x
  3. Step 3: Cross multiply
    1,254,410.81x = 1,731,031.45 × 710,535.65
  4. Step 4: Simplify right side
    1,254,410.81x = 1,229,959,559,047.43
  5. Step 5: Solve for x
    x = 1,229,959,559,047.43/1,254,410.81
  6. Step 6: Final answer
    x = 980,507.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.