Home / 1,152,265.15-1,589,888.46-662,140

Finding the Fourth Proportional to 1,152,265.15, 1,589,888.46 and 662,140

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Solution

The fourth proportional to 1,152,265.15, 1,589,888.46 and 662,140 is: 913,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,265.15 : 1,589,888.46 = 662,140 : x
  2. Step 2: Convert to fraction form
    1,152,265.15/1,589,888.46 = 662,140/x
  3. Step 3: Cross multiply
    1,152,265.15x = 1,589,888.46 × 662,140
  4. Step 4: Simplify right side
    1,152,265.15x = 1,052,728,744,904.40
  5. Step 5: Solve for x
    x = 1,052,728,744,904.40/1,152,265.15
  6. Step 6: Final answer
    x = 913,616.75

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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.