Home / 1,023,816.01-1,413,377.60-636,756.20

Finding the Fourth Proportional to 1,023,816.01, 1,413,377.60 and 636,756.20

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Solution

The fourth proportional to 1,023,816.01, 1,413,377.60 and 636,756.20 is: 879,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,816.01 : 1,413,377.60 = 636,756.20 : x
  2. Step 2: Convert to fraction form
    1,023,816.01/1,413,377.60 = 636,756.20/x
  3. Step 3: Cross multiply
    1,023,816.01x = 1,413,377.60 × 636,756.20
  4. Step 4: Simplify right side
    1,023,816.01x = 899,976,941,878.29
  5. Step 5: Solve for x
    x = 899,976,941,878.29/1,023,816.01
  6. Step 6: Final answer
    x = 879,041.68

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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.