Home / 1,385,332.02-1,911,739.46-773,494.20

Finding the Fourth Proportional to 1,385,332.02, 1,911,739.46 and 773,494.20

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Solution

The fourth proportional to 1,385,332.02, 1,911,739.46 and 773,494.20 is: 1,067,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,332.02 : 1,911,739.46 = 773,494.20 : x
  2. Step 2: Convert to fraction form
    1,385,332.02/1,911,739.46 = 773,494.20/x
  3. Step 3: Cross multiply
    1,385,332.02x = 1,911,739.46 × 773,494.20
  4. Step 4: Simplify right side
    1,385,332.02x = 1,478,719,380,353.66
  5. Step 5: Solve for x
    x = 1,478,719,380,353.66/1,385,332.02
  6. Step 6: Final answer
    x = 1,067,411.54

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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.