Home / 1,264,385.10-1,896,577.65-665,114.70

Finding the Fourth Proportional to 1,264,385.10, 1,896,577.65 and 665,114.70

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Solution

The fourth proportional to 1,264,385.10, 1,896,577.65 and 665,114.70 is: 997,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,385.10 : 1,896,577.65 = 665,114.70 : x
  2. Step 2: Convert to fraction form
    1,264,385.10/1,896,577.65 = 665,114.70/x
  3. Step 3: Cross multiply
    1,264,385.10x = 1,896,577.65 × 665,114.70
  4. Step 4: Simplify right side
    1,264,385.10x = 1,261,441,674,706.45
  5. Step 5: Solve for x
    x = 1,261,441,674,706.45/1,264,385.10
  6. Step 6: Final answer
    x = 997,672.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.