Home / 1,017,275.28-1,403,790.12-609,393.84

Finding the Fourth Proportional to 1,017,275.28, 1,403,790.12 and 609,393.84

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Solution

The fourth proportional to 1,017,275.28, 1,403,790.12 and 609,393.84 is: 840,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,275.28 : 1,403,790.12 = 609,393.84 : x
  2. Step 2: Convert to fraction form
    1,017,275.28/1,403,790.12 = 609,393.84/x
  3. Step 3: Cross multiply
    1,017,275.28x = 1,403,790.12 × 609,393.84
  4. Step 4: Simplify right side
    1,017,275.28x = 855,461,051,780.86
  5. Step 5: Solve for x
    x = 855,461,051,780.86/1,017,275.28
  6. Step 6: Final answer
    x = 840,933.69

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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.