Home / 1,432,932.55-1,977,446.85-788,338.91

Finding the Fourth Proportional to 1,432,932.55, 1,977,446.85 and 788,338.91

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Solution

The fourth proportional to 1,432,932.55, 1,977,446.85 and 788,338.91 is: 1,087,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,932.55 : 1,977,446.85 = 788,338.91 : x
  2. Step 2: Convert to fraction form
    1,432,932.55/1,977,446.85 = 788,338.91/x
  3. Step 3: Cross multiply
    1,432,932.55x = 1,977,446.85 × 788,338.91
  4. Step 4: Simplify right side
    1,432,932.55x = 1,558,898,294,311.93
  5. Step 5: Solve for x
    x = 1,558,898,294,311.93/1,432,932.55
  6. Step 6: Final answer
    x = 1,087,907.66

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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.