Home / 1,249,112.76-1,723,774.20-676,152.78

Finding the Fourth Proportional to 1,249,112.76, 1,723,774.20 and 676,152.78

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Solution

The fourth proportional to 1,249,112.76, 1,723,774.20 and 676,152.78 is: 933,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,112.76 : 1,723,774.20 = 676,152.78 : x
  2. Step 2: Convert to fraction form
    1,249,112.76/1,723,774.20 = 676,152.78/x
  3. Step 3: Cross multiply
    1,249,112.76x = 1,723,774.20 × 676,152.78
  4. Step 4: Simplify right side
    1,249,112.76x = 1,165,534,717,422.28
  5. Step 5: Solve for x
    x = 1,165,534,717,422.28/1,249,112.76
  6. Step 6: Final answer
    x = 933,090.07

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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.