Home / 1,357,077.68-1,872,768.86-745,269.88

Finding the Fourth Proportional to 1,357,077.68, 1,872,768.86 and 745,269.88

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Solution

The fourth proportional to 1,357,077.68, 1,872,768.86 and 745,269.88 is: 1,028,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,077.68 : 1,872,768.86 = 745,269.88 : x
  2. Step 2: Convert to fraction form
    1,357,077.68/1,872,768.86 = 745,269.88/x
  3. Step 3: Cross multiply
    1,357,077.68x = 1,872,768.86 × 745,269.88
  4. Step 4: Simplify right side
    1,357,077.68x = 1,395,718,223,559.94
  5. Step 5: Solve for x
    x = 1,395,718,223,559.94/1,357,077.68
  6. Step 6: Final answer
    x = 1,028,473.35

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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.