Home / 1,579,084.40-2,367,071.40-780,489.20

Finding the Fourth Proportional to 1,579,084.40, 2,367,071.40 and 780,489.20

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Solution

The fourth proportional to 1,579,084.40, 2,367,071.40 and 780,489.20 is: 1,169,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,084.40 : 2,367,071.40 = 780,489.20 : x
  2. Step 2: Convert to fraction form
    1,579,084.40/2,367,071.40 = 780,489.20/x
  3. Step 3: Cross multiply
    1,579,084.40x = 2,367,071.40 × 780,489.20
  4. Step 4: Simplify right side
    1,579,084.40x = 1,847,473,663,328.88
  5. Step 5: Solve for x
    x = 1,847,473,663,328.88/1,579,084.40
  6. Step 6: Final answer
    x = 1,169,965.12

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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.