Home / 1,385,326.27-1,911,731.52-773,488.45

Finding the Fourth Proportional to 1,385,326.27, 1,911,731.52 and 773,488.45

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Solution

The fourth proportional to 1,385,326.27, 1,911,731.52 and 773,488.45 is: 1,067,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,326.27 : 1,911,731.52 = 773,488.45 : x
  2. Step 2: Convert to fraction form
    1,385,326.27/1,911,731.52 = 773,488.45/x
  3. Step 3: Cross multiply
    1,385,326.27x = 1,911,731.52 × 773,488.45
  4. Step 4: Simplify right side
    1,385,326.27x = 1,478,702,250,220.94
  5. Step 5: Solve for x
    x = 1,478,702,250,220.94/1,385,326.27
  6. Step 6: Final answer
    x = 1,067,403.60

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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.