Home / 1,385,335.08-1,911,744.21-773,498.22

Finding the Fourth Proportional to 1,385,335.08, 1,911,744.21 and 773,498.22

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Solution

The fourth proportional to 1,385,335.08, 1,911,744.21 and 773,498.22 is: 1,067,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,335.08 : 1,911,744.21 = 773,498.22 : x
  2. Step 2: Convert to fraction form
    1,385,335.08/1,911,744.21 = 773,498.22/x
  3. Step 3: Cross multiply
    1,385,335.08x = 1,911,744.21 × 773,498.22
  4. Step 4: Simplify right side
    1,385,335.08x = 1,478,730,743,530.31
  5. Step 5: Solve for x
    x = 1,478,730,743,530.31/1,385,335.08
  6. Step 6: Final answer
    x = 1,067,417.38

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1.5x scale

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.