Home / 1,053,798.42-1,454,277.03-645,821.45

Finding the Fourth Proportional to 1,053,798.42, 1,454,277.03 and 645,821.45

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Solution

The fourth proportional to 1,053,798.42, 1,454,277.03 and 645,821.45 is: 891,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,798.42 : 1,454,277.03 = 645,821.45 : x
  2. Step 2: Convert to fraction form
    1,053,798.42/1,454,277.03 = 645,821.45/x
  3. Step 3: Cross multiply
    1,053,798.42x = 1,454,277.03 × 645,821.45
  4. Step 4: Simplify right side
    1,053,798.42x = 939,203,292,944.91
  5. Step 5: Solve for x
    x = 939,203,292,944.91/1,053,798.42
  6. Step 6: Final answer
    x = 891,255.17

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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.