Home / 1,316,915.40-1,975,373.87-370,286.12

Finding the Fourth Proportional to 1,316,915.40, 1,975,373.87 and 370,286.12

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Solution

The fourth proportional to 1,316,915.40, 1,975,373.87 and 370,286.12 is: 555,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,915.40 : 1,975,373.87 = 370,286.12 : x
  2. Step 2: Convert to fraction form
    1,316,915.40/1,975,373.87 = 370,286.12/x
  3. Step 3: Cross multiply
    1,316,915.40x = 1,975,373.87 × 370,286.12
  4. Step 4: Simplify right side
    1,316,915.40x = 731,453,514,143.38
  5. Step 5: Solve for x
    x = 731,453,514,143.38/1,316,915.40
  6. Step 6: Final answer
    x = 555,429.39

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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.