Home / 1,249,785.64-1,724,695.60-676,812.70

Finding the Fourth Proportional to 1,249,785.64, 1,724,695.60 and 676,812.70

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Solution

The fourth proportional to 1,249,785.64, 1,724,695.60 and 676,812.70 is: 933,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,785.64 : 1,724,695.60 = 676,812.70 : x
  2. Step 2: Convert to fraction form
    1,249,785.64/1,724,695.60 = 676,812.70/x
  3. Step 3: Cross multiply
    1,249,785.64x = 1,724,695.60 × 676,812.70
  4. Step 4: Simplify right side
    1,249,785.64x = 1,167,295,885,714.12
  5. Step 5: Solve for x
    x = 1,167,295,885,714.12/1,249,785.64
  6. Step 6: Final answer
    x = 933,996.88

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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.