Home / 1,386,293.42-2,079,676.56-618,069.87

Finding the Fourth Proportional to 1,386,293.42, 2,079,676.56 and 618,069.87

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Solution

The fourth proportional to 1,386,293.42, 2,079,676.56 and 618,069.87 is: 927,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,293.42 : 2,079,676.56 = 618,069.87 : x
  2. Step 2: Convert to fraction form
    1,386,293.42/2,079,676.56 = 618,069.87/x
  3. Step 3: Cross multiply
    1,386,293.42x = 2,079,676.56 × 618,069.87
  4. Step 4: Simplify right side
    1,386,293.42x = 1,285,385,421,081.25
  5. Step 5: Solve for x
    x = 1,285,385,421,081.25/1,386,293.42
  6. Step 6: Final answer
    x = 927,210.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.