Home / 1,598,140.80-2,205,349.92-872,978

Finding the Fourth Proportional to 1,598,140.80, 2,205,349.92 and 872,978

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Solution

The fourth proportional to 1,598,140.80, 2,205,349.92 and 872,978 is: 1,204,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598,140.80 : 2,205,349.92 = 872,978 : x
  2. Step 2: Convert to fraction form
    1,598,140.80/2,205,349.92 = 872,978/x
  3. Step 3: Cross multiply
    1,598,140.80x = 2,205,349.92 × 872,978
  4. Step 4: Simplify right side
    1,598,140.80x = 1,925,221,962,461.76
  5. Step 5: Solve for x
    x = 1,925,221,962,461.76/1,598,140.80
  6. Step 6: Final answer
    x = 1,204,663.55

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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.