Home / 1,145,947.60-1,717,665.90-576,420.40

Finding the Fourth Proportional to 1,145,947.60, 1,717,665.90 and 576,420.40

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Solution

The fourth proportional to 1,145,947.60, 1,717,665.90 and 576,420.40 is: 863,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,947.60 : 1,717,665.90 = 576,420.40 : x
  2. Step 2: Convert to fraction form
    1,145,947.60/1,717,665.90 = 576,420.40/x
  3. Step 3: Cross multiply
    1,145,947.60x = 1,717,665.90 × 576,420.40
  4. Step 4: Simplify right side
    1,145,947.60x = 990,097,665,144.36
  5. Step 5: Solve for x
    x = 990,097,665,144.36/1,145,947.60
  6. Step 6: Final answer
    x = 863,999.07

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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.