Home / 1,578,001.30-2,367,001.95-979,638.10

Finding the Fourth Proportional to 1,578,001.30, 2,367,001.95 and 979,638.10

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Solution

The fourth proportional to 1,578,001.30, 2,367,001.95 and 979,638.10 is: 1,469,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,001.30 : 2,367,001.95 = 979,638.10 : x
  2. Step 2: Convert to fraction form
    1,578,001.30/2,367,001.95 = 979,638.10/x
  3. Step 3: Cross multiply
    1,578,001.30x = 2,367,001.95 × 979,638.10
  4. Step 4: Simplify right side
    1,578,001.30x = 2,318,805,292,994.30
  5. Step 5: Solve for x
    x = 2,318,805,292,994.30/1,578,001.30
  6. Step 6: Final answer
    x = 1,469,457.15

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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.