Home / 1,011,581.76-1,395,966.52-552,686.46

Finding the Fourth Proportional to 1,011,581.76, 1,395,966.52 and 552,686.46

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Solution

The fourth proportional to 1,011,581.76, 1,395,966.52 and 552,686.46 is: 762,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,581.76 : 1,395,966.52 = 552,686.46 : x
  2. Step 2: Convert to fraction form
    1,011,581.76/1,395,966.52 = 552,686.46/x
  3. Step 3: Cross multiply
    1,011,581.76x = 1,395,966.52 × 552,686.46
  4. Step 4: Simplify right side
    1,011,581.76x = 771,531,794,217.32
  5. Step 5: Solve for x
    x = 771,531,794,217.32/1,011,581.76
  6. Step 6: Final answer
    x = 762,698.40

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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.