Home / 1,053,795.42-1,454,272.89-645,818.44

Finding the Fourth Proportional to 1,053,795.42, 1,454,272.89 and 645,818.44

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Solution

The fourth proportional to 1,053,795.42, 1,454,272.89 and 645,818.44 is: 891,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,795.42 : 1,454,272.89 = 645,818.44 : x
  2. Step 2: Convert to fraction form
    1,053,795.42/1,454,272.89 = 645,818.44/x
  3. Step 3: Cross multiply
    1,053,795.42x = 1,454,272.89 × 645,818.44
  4. Step 4: Simplify right side
    1,053,795.42x = 939,196,249,913.49
  5. Step 5: Solve for x
    x = 939,196,249,913.49/1,053,795.42
  6. Step 6: Final answer
    x = 891,251.03

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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.