Home / 1,119,013.55-1,677,325.22-638,206.22

Finding the Fourth Proportional to 1,119,013.55, 1,677,325.22 and 638,206.22

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Solution

The fourth proportional to 1,119,013.55, 1,677,325.22 and 638,206.22 is: 956,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,013.55 : 1,677,325.22 = 638,206.22 : x
  2. Step 2: Convert to fraction form
    1,119,013.55/1,677,325.22 = 638,206.22/x
  3. Step 3: Cross multiply
    1,119,013.55x = 1,677,325.22 × 638,206.22
  4. Step 4: Simplify right side
    1,119,013.55x = 1,070,479,391,762.42
  5. Step 5: Solve for x
    x = 1,070,479,391,762.42/1,119,013.55
  6. Step 6: Final answer
    x = 956,627.73

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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.