Home / 913,121.10-1,369,681.65-886,877.10

Finding the Fourth Proportional to 913,121.10, 1,369,681.65 and 886,877.10

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Solution

The fourth proportional to 913,121.10, 1,369,681.65 and 886,877.10 is: 1,330,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,121.10 : 1,369,681.65 = 886,877.10 : x
  2. Step 2: Convert to fraction form
    913,121.10/1,369,681.65 = 886,877.10/x
  3. Step 3: Cross multiply
    913,121.10x = 1,369,681.65 × 886,877.10
  4. Step 4: Simplify right side
    913,121.10x = 1,214,739,289,675.21
  5. Step 5: Solve for x
    x = 1,214,739,289,675.21/913,121.10
  6. Step 6: Final answer
    x = 1,330,315.65

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Similar ratio
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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.