Home / 1,553,643.60-2,330,542.20-807,147.60

Finding the Fourth Proportional to 1,553,643.60, 2,330,542.20 and 807,147.60

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Solution

The fourth proportional to 1,553,643.60, 2,330,542.20 and 807,147.60 is: 1,210,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,643.60 : 2,330,542.20 = 807,147.60 : x
  2. Step 2: Convert to fraction form
    1,553,643.60/2,330,542.20 = 807,147.60/x
  3. Step 3: Cross multiply
    1,553,643.60x = 2,330,542.20 × 807,147.60
  4. Step 4: Simplify right side
    1,553,643.60x = 1,881,091,543,428.72
  5. Step 5: Solve for x
    x = 1,881,091,543,428.72/1,553,643.60
  6. Step 6: Final answer
    x = 1,210,761.30

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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.