Home / 1,147,059.20-1,720,938.72-586,487.36

Finding the Fourth Proportional to 1,147,059.20, 1,720,938.72 and 586,487.36

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Solution

The fourth proportional to 1,147,059.20, 1,720,938.72 and 586,487.36 is: 879,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,059.20 : 1,720,938.72 = 586,487.36 : x
  2. Step 2: Convert to fraction form
    1,147,059.20/1,720,938.72 = 586,487.36/x
  3. Step 3: Cross multiply
    1,147,059.20x = 1,720,938.72 × 586,487.36
  4. Step 4: Simplify right side
    1,147,059.20x = 1,009,308,806,614.58
  5. Step 5: Solve for x
    x = 1,009,308,806,614.58/1,147,059.20
  6. Step 6: Final answer
    x = 879,909.95

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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.