Home / 1,027,006.90-1,416,791.93-664,547.76

Finding the Fourth Proportional to 1,027,006.90, 1,416,791.93 and 664,547.76

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Solution

The fourth proportional to 1,027,006.90, 1,416,791.93 and 664,547.76 is: 916,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,006.90 : 1,416,791.93 = 664,547.76 : x
  2. Step 2: Convert to fraction form
    1,027,006.90/1,416,791.93 = 664,547.76/x
  3. Step 3: Cross multiply
    1,027,006.90x = 1,416,791.93 × 664,547.76
  4. Step 4: Simplify right side
    1,027,006.90x = 941,525,900,144.84
  5. Step 5: Solve for x
    x = 941,525,900,144.84/1,027,006.90
  6. Step 6: Final answer
    x = 916,766.87

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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.