Home / 1,439,261.72-1,985,348.55-929,964.10

Finding the Fourth Proportional to 1,439,261.72, 1,985,348.55 and 929,964.10

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Solution

The fourth proportional to 1,439,261.72, 1,985,348.55 and 929,964.10 is: 1,282,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,261.72 : 1,985,348.55 = 929,964.10 : x
  2. Step 2: Convert to fraction form
    1,439,261.72/1,985,348.55 = 929,964.10/x
  3. Step 3: Cross multiply
    1,439,261.72x = 1,985,348.55 × 929,964.10
  4. Step 4: Simplify right side
    1,439,261.72x = 1,846,302,865,235.40
  5. Step 5: Solve for x
    x = 1,846,302,865,235.40/1,439,261.72
  6. Step 6: Final answer
    x = 1,282,812.46

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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.