Home / 931,523.10-1,397,284.65-813,425.10

Finding the Fourth Proportional to 931,523.10, 1,397,284.65 and 813,425.10

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Solution

The fourth proportional to 931,523.10, 1,397,284.65 and 813,425.10 is: 1,220,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,523.10 : 1,397,284.65 = 813,425.10 : x
  2. Step 2: Convert to fraction form
    931,523.10/1,397,284.65 = 813,425.10/x
  3. Step 3: Cross multiply
    931,523.10x = 1,397,284.65 × 813,425.10
  4. Step 4: Simplify right side
    931,523.10x = 1,136,586,406,154.71
  5. Step 5: Solve for x
    x = 1,136,586,406,154.71/931,523.10
  6. Step 6: Final answer
    x = 1,220,137.65

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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.