Home / 1,157,805.70-1,736,708.55-779,892.10

Finding the Fourth Proportional to 1,157,805.70, 1,736,708.55 and 779,892.10

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Solution

The fourth proportional to 1,157,805.70, 1,736,708.55 and 779,892.10 is: 1,169,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,805.70 : 1,736,708.55 = 779,892.10 : x
  2. Step 2: Convert to fraction form
    1,157,805.70/1,736,708.55 = 779,892.10/x
  3. Step 3: Cross multiply
    1,157,805.70x = 1,736,708.55 × 779,892.10
  4. Step 4: Simplify right side
    1,157,805.70x = 1,354,445,278,147.46
  5. Step 5: Solve for x
    x = 1,354,445,278,147.46/1,157,805.70
  6. Step 6: Final answer
    x = 1,169,838.15

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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.