Home / 925,303.40-1,390,719.90-803,652.20

Finding the Fourth Proportional to 925,303.40, 1,390,719.90 and 803,652.20

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Solution

The fourth proportional to 925,303.40, 1,390,719.90 and 803,652.20 is: 1,207,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,303.40 : 1,390,719.90 = 803,652.20 : x
  2. Step 2: Convert to fraction form
    925,303.40/1,390,719.90 = 803,652.20/x
  3. Step 3: Cross multiply
    925,303.40x = 1,390,719.90 × 803,652.20
  4. Step 4: Simplify right side
    925,303.40x = 1,117,655,107,218.78
  5. Step 5: Solve for x
    x = 1,117,655,107,218.78/925,303.40
  6. Step 6: Final answer
    x = 1,207,879.61

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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.