Home / 1,545,889.40-2,317,747.56-680,913.81

Finding the Fourth Proportional to 1,545,889.40, 2,317,747.56 and 680,913.81

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Solution

The fourth proportional to 1,545,889.40, 2,317,747.56 and 680,913.81 is: 1,020,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,889.40 : 2,317,747.56 = 680,913.81 : x
  2. Step 2: Convert to fraction form
    1,545,889.40/2,317,747.56 = 680,913.81/x
  3. Step 3: Cross multiply
    1,545,889.40x = 2,317,747.56 × 680,913.81
  4. Step 4: Simplify right side
    1,545,889.40x = 1,578,186,321,697.80
  5. Step 5: Solve for x
    x = 1,578,186,321,697.80/1,545,889.40
  6. Step 6: Final answer
    x = 1,020,892.13

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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.