Home / 1,302,545.56-1,796,615.40-916,180.42

Finding the Fourth Proportional to 1,302,545.56, 1,796,615.40 and 916,180.42

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Solution

The fourth proportional to 1,302,545.56, 1,796,615.40 and 916,180.42 is: 1,263,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,545.56 : 1,796,615.40 = 916,180.42 : x
  2. Step 2: Convert to fraction form
    1,302,545.56/1,796,615.40 = 916,180.42/x
  3. Step 3: Cross multiply
    1,302,545.56x = 1,796,615.40 × 916,180.42
  4. Step 4: Simplify right side
    1,302,545.56x = 1,646,023,851,750.47
  5. Step 5: Solve for x
    x = 1,646,023,851,750.47/1,302,545.56
  6. Step 6: Final answer
    x = 1,263,697.72

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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.