Home / 1,119,373.22-1,678,565.72-320,473.46

Finding the Fourth Proportional to 1,119,373.22, 1,678,565.72 and 320,473.46

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Solution

The fourth proportional to 1,119,373.22, 1,678,565.72 and 320,473.46 is: 480,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,373.22 : 1,678,565.72 = 320,473.46 : x
  2. Step 2: Convert to fraction form
    1,119,373.22/1,678,565.72 = 320,473.46/x
  3. Step 3: Cross multiply
    1,119,373.22x = 1,678,565.72 × 320,473.46
  4. Step 4: Simplify right side
    1,119,373.22x = 537,935,756,534.15
  5. Step 5: Solve for x
    x = 537,935,756,534.15/1,119,373.22
  6. Step 6: Final answer
    x = 480,568.72

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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.