Home / 1,171,012.32-1,615,373.68-712,267.20

Finding the Fourth Proportional to 1,171,012.32, 1,615,373.68 and 712,267.20

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Solution

The fourth proportional to 1,171,012.32, 1,615,373.68 and 712,267.20 is: 982,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,012.32 : 1,615,373.68 = 712,267.20 : x
  2. Step 2: Convert to fraction form
    1,171,012.32/1,615,373.68 = 712,267.20/x
  3. Step 3: Cross multiply
    1,171,012.32x = 1,615,373.68 × 712,267.20
  4. Step 4: Simplify right side
    1,171,012.32x = 1,150,577,688,007.30
  5. Step 5: Solve for x
    x = 1,150,577,688,007.30/1,171,012.32
  6. Step 6: Final answer
    x = 982,549.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.