Home / 1,043,505.20-1,567,158.60-912,868.40

Finding the Fourth Proportional to 1,043,505.20, 1,567,158.60 and 912,868.40

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Solution

The fourth proportional to 1,043,505.20, 1,567,158.60 and 912,868.40 is: 1,370,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,505.20 : 1,567,158.60 = 912,868.40 : x
  2. Step 2: Convert to fraction form
    1,043,505.20/1,567,158.60 = 912,868.40/x
  3. Step 3: Cross multiply
    1,043,505.20x = 1,567,158.60 × 912,868.40
  4. Step 4: Simplify right side
    1,043,505.20x = 1,430,609,563,728.24
  5. Step 5: Solve for x
    x = 1,430,609,563,728.24/1,043,505.20
  6. Step 6: Final answer
    x = 1,370,965.44

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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.