Home / 1,513,631.20-2,266,510.20-978,253.60

Finding the Fourth Proportional to 1,513,631.20, 2,266,510.20 and 978,253.60

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Solution

The fourth proportional to 1,513,631.20, 2,266,510.20 and 978,253.60 is: 1,464,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,631.20 : 2,266,510.20 = 978,253.60 : x
  2. Step 2: Convert to fraction form
    1,513,631.20/2,266,510.20 = 978,253.60/x
  3. Step 3: Cross multiply
    1,513,631.20x = 2,266,510.20 × 978,253.60
  4. Step 4: Simplify right side
    1,513,631.20x = 2,217,221,762,586.72
  5. Step 5: Solve for x
    x = 2,217,221,762,586.72/1,513,631.20
  6. Step 6: Final answer
    x = 1,464,836.19

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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.