Home / 1,681,475.52-2,522,142.64-782,608.08

Finding the Fourth Proportional to 1,681,475.52, 2,522,142.64 and 782,608.08

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Solution

The fourth proportional to 1,681,475.52, 2,522,142.64 and 782,608.08 is: 1,173,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,475.52 : 2,522,142.64 = 782,608.08 : x
  2. Step 2: Convert to fraction form
    1,681,475.52/2,522,142.64 = 782,608.08/x
  3. Step 3: Cross multiply
    1,681,475.52x = 2,522,142.64 × 782,608.08
  4. Step 4: Simplify right side
    1,681,475.52x = 1,973,849,208,976.53
  5. Step 5: Solve for x
    x = 1,973,849,208,976.53/1,681,475.52
  6. Step 6: Final answer
    x = 1,173,879.24

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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.