Home / 1,147,069.76-1,720,565.76-437,072.32

Finding the Fourth Proportional to 1,147,069.76, 1,720,565.76 and 437,072.32

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Solution

The fourth proportional to 1,147,069.76, 1,720,565.76 and 437,072.32 is: 655,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,069.76 : 1,720,565.76 = 437,072.32 : x
  2. Step 2: Convert to fraction form
    1,147,069.76/1,720,565.76 = 437,072.32/x
  3. Step 3: Cross multiply
    1,147,069.76x = 1,720,565.76 × 437,072.32
  4. Step 4: Simplify right side
    1,147,069.76x = 752,011,668,435.76
  5. Step 5: Solve for x
    x = 752,011,668,435.76/1,147,069.76
  6. Step 6: Final answer
    x = 655,593.67

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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.