Home / 864,089.10-1,296,133.65-738,117.90

Finding the Fourth Proportional to 864,089.10, 1,296,133.65 and 738,117.90

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Solution

The fourth proportional to 864,089.10, 1,296,133.65 and 738,117.90 is: 1,107,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,089.10 : 1,296,133.65 = 738,117.90 : x
  2. Step 2: Convert to fraction form
    864,089.10/1,296,133.65 = 738,117.90/x
  3. Step 3: Cross multiply
    864,089.10x = 1,296,133.65 × 738,117.90
  4. Step 4: Simplify right side
    864,089.10x = 956,699,447,857.34
  5. Step 5: Solve for x
    x = 956,699,447,857.34/864,089.10
  6. Step 6: Final answer
    x = 1,107,176.85

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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.