Home / 1,053,777.77-1,454,248.59-645,800.82

Finding the Fourth Proportional to 1,053,777.77, 1,454,248.59 and 645,800.82

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Solution

The fourth proportional to 1,053,777.77, 1,454,248.59 and 645,800.82 is: 891,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,777.77 : 1,454,248.59 = 645,800.82 : x
  2. Step 2: Convert to fraction form
    1,053,777.77/1,454,248.59 = 645,800.82/x
  3. Step 3: Cross multiply
    1,053,777.77x = 1,454,248.59 × 645,800.82
  4. Step 4: Simplify right side
    1,053,777.77x = 939,154,924,030.66
  5. Step 5: Solve for x
    x = 939,154,924,030.66/1,053,777.77
  6. Step 6: Final answer
    x = 891,226.74

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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.