Home / 1,385,321.77-1,911,725.35-773,483.95

Finding the Fourth Proportional to 1,385,321.77, 1,911,725.35 and 773,483.95

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Solution

The fourth proportional to 1,385,321.77, 1,911,725.35 and 773,483.95 is: 1,067,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,321.77 : 1,911,725.35 = 773,483.95 : x
  2. Step 2: Convert to fraction form
    1,385,321.77/1,911,725.35 = 773,483.95/x
  3. Step 3: Cross multiply
    1,385,321.77x = 1,911,725.35 × 773,483.95
  4. Step 4: Simplify right side
    1,385,321.77x = 1,478,688,875,033.13
  5. Step 5: Solve for x
    x = 1,478,688,875,033.13/1,385,321.77
  6. Step 6: Final answer
    x = 1,067,397.41

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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.