Home / 1,313,689.01-1,812,889.82-710,077.01

Finding the Fourth Proportional to 1,313,689.01, 1,812,889.82 and 710,077.01

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Solution

The fourth proportional to 1,313,689.01, 1,812,889.82 and 710,077.01 is: 979,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,689.01 : 1,812,889.82 = 710,077.01 : x
  2. Step 2: Convert to fraction form
    1,313,689.01/1,812,889.82 = 710,077.01/x
  3. Step 3: Cross multiply
    1,313,689.01x = 1,812,889.82 × 710,077.01
  4. Step 4: Simplify right side
    1,313,689.01x = 1,287,291,375,555.78
  5. Step 5: Solve for x
    x = 1,287,291,375,555.78/1,313,689.01
  6. Step 6: Final answer
    x = 979,905.72

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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.