Home / 1,249,234.25-1,723,948.79-676,274.40

Finding the Fourth Proportional to 1,249,234.25, 1,723,948.79 and 676,274.40

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Solution

The fourth proportional to 1,249,234.25, 1,723,948.79 and 676,274.40 is: 933,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,234.25 : 1,723,948.79 = 676,274.40 : x
  2. Step 2: Convert to fraction form
    1,249,234.25/1,723,948.79 = 676,274.40/x
  3. Step 3: Cross multiply
    1,249,234.25x = 1,723,948.79 × 676,274.40
  4. Step 4: Simplify right side
    1,249,234.25x = 1,165,862,430,206.60
  5. Step 5: Solve for x
    x = 1,165,862,430,206.60/1,249,234.25
  6. Step 6: Final answer
    x = 933,261.66

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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.