Home / 1,618,829.10-2,428,924.05-870,000.30

Finding the Fourth Proportional to 1,618,829.10, 2,428,924.05 and 870,000.30

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Solution

The fourth proportional to 1,618,829.10, 2,428,924.05 and 870,000.30 is: 1,305,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,829.10 : 2,428,924.05 = 870,000.30 : x
  2. Step 2: Convert to fraction form
    1,618,829.10/2,428,924.05 = 870,000.30/x
  3. Step 3: Cross multiply
    1,618,829.10x = 2,428,924.05 × 870,000.30
  4. Step 4: Simplify right side
    1,618,829.10x = 2,113,164,652,177.22
  5. Step 5: Solve for x
    x = 2,113,164,652,177.22/1,618,829.10
  6. Step 6: Final answer
    x = 1,305,366.11

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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.