Home / 1,385,326.02-1,911,731.22-773,488.20

Finding the Fourth Proportional to 1,385,326.02, 1,911,731.22 and 773,488.20

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Solution

The fourth proportional to 1,385,326.02, 1,911,731.22 and 773,488.20 is: 1,067,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,326.02 : 1,911,731.22 = 773,488.20 : x
  2. Step 2: Convert to fraction form
    1,385,326.02/1,911,731.22 = 773,488.20/x
  3. Step 3: Cross multiply
    1,385,326.02x = 1,911,731.22 × 773,488.20
  4. Step 4: Simplify right side
    1,385,326.02x = 1,478,701,540,241.60
  5. Step 5: Solve for x
    x = 1,478,701,540,241.60/1,385,326.02
  6. Step 6: Final answer
    x = 1,067,403.28

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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.