Home / 1,280,358.88-1,766,744.64-707,364.88

Finding the Fourth Proportional to 1,280,358.88, 1,766,744.64 and 707,364.88

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Solution

The fourth proportional to 1,280,358.88, 1,766,744.64 and 707,364.88 is: 976,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,358.88 : 1,766,744.64 = 707,364.88 : x
  2. Step 2: Convert to fraction form
    1,280,358.88/1,766,744.64 = 707,364.88/x
  3. Step 3: Cross multiply
    1,280,358.88x = 1,766,744.64 × 707,364.88
  4. Step 4: Simplify right side
    1,280,358.88x = 1,249,733,110,264.24
  5. Step 5: Solve for x
    x = 1,249,733,110,264.24/1,280,358.88
  6. Step 6: Final answer
    x = 976,080.32

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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.