Home / 925,302.40-1,390,718.40-803,651.20

Finding the Fourth Proportional to 925,302.40, 1,390,718.40 and 803,651.20

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Solution

The fourth proportional to 925,302.40, 1,390,718.40 and 803,651.20 is: 1,207,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,302.40 : 1,390,718.40 = 803,651.20 : x
  2. Step 2: Convert to fraction form
    925,302.40/1,390,718.40 = 803,651.20/x
  3. Step 3: Cross multiply
    925,302.40x = 1,390,718.40 × 803,651.20
  4. Step 4: Simplify right side
    925,302.40x = 1,117,652,511,022.08
  5. Step 5: Solve for x
    x = 1,117,652,511,022.08/925,302.40
  6. Step 6: Final answer
    x = 1,207,878.11

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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.