Home / 1,432,931.89-1,977,445.94-788,338.24

Finding the Fourth Proportional to 1,432,931.89, 1,977,445.94 and 788,338.24

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Solution

The fourth proportional to 1,432,931.89, 1,977,445.94 and 788,338.24 is: 1,087,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,931.89 : 1,977,445.94 = 788,338.24 : x
  2. Step 2: Convert to fraction form
    1,432,931.89/1,977,445.94 = 788,338.24/x
  3. Step 3: Cross multiply
    1,432,931.89x = 1,977,445.94 × 788,338.24
  4. Step 4: Simplify right side
    1,432,931.89x = 1,558,896,252,034.75
  5. Step 5: Solve for x
    x = 1,558,896,252,034.75/1,432,931.89
  6. Step 6: Final answer
    x = 1,087,906.73

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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.