Home / 1,210,065.40-1,815,098.10-926,630.20

Finding the Fourth Proportional to 1,210,065.40, 1,815,098.10 and 926,630.20

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Solution

The fourth proportional to 1,210,065.40, 1,815,098.10 and 926,630.20 is: 1,389,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,065.40 : 1,815,098.10 = 926,630.20 : x
  2. Step 2: Convert to fraction form
    1,210,065.40/1,815,098.10 = 926,630.20/x
  3. Step 3: Cross multiply
    1,210,065.40x = 1,815,098.10 × 926,630.20
  4. Step 4: Simplify right side
    1,210,065.40x = 1,681,924,715,422.62
  5. Step 5: Solve for x
    x = 1,681,924,715,422.62/1,210,065.40
  6. Step 6: Final answer
    x = 1,389,945.30

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Similar ratio
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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.