Home / 1,162,189.22-1,603,862.24-645,953.40

Finding the Fourth Proportional to 1,162,189.22, 1,603,862.24 and 645,953.40

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Solution

The fourth proportional to 1,162,189.22, 1,603,862.24 and 645,953.40 is: 891,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,189.22 : 1,603,862.24 = 645,953.40 : x
  2. Step 2: Convert to fraction form
    1,162,189.22/1,603,862.24 = 645,953.40/x
  3. Step 3: Cross multiply
    1,162,189.22x = 1,603,862.24 × 645,953.40
  4. Step 4: Simplify right side
    1,162,189.22x = 1,036,020,263,829.85
  5. Step 5: Solve for x
    x = 1,036,020,263,829.85/1,162,189.22
  6. Step 6: Final answer
    x = 891,438.55

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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.