Home / 1,281,848.20-1,921,569.45-483,666.10

Finding the Fourth Proportional to 1,281,848.20, 1,921,569.45 and 483,666.10

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Solution

The fourth proportional to 1,281,848.20, 1,921,569.45 and 483,666.10 is: 725,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,848.20 : 1,921,569.45 = 483,666.10 : x
  2. Step 2: Convert to fraction form
    1,281,848.20/1,921,569.45 = 483,666.10/x
  3. Step 3: Cross multiply
    1,281,848.20x = 1,921,569.45 × 483,666.10
  4. Step 4: Simplify right side
    1,281,848.20x = 929,398,001,760.65
  5. Step 5: Solve for x
    x = 929,398,001,760.65/1,281,848.20
  6. Step 6: Final answer
    x = 725,045.29

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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.