Home / 1,531,222.40-2,113,066.14-852,158.90

Finding the Fourth Proportional to 1,531,222.40, 2,113,066.14 and 852,158.90

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Solution

The fourth proportional to 1,531,222.40, 2,113,066.14 and 852,158.90 is: 1,175,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,222.40 : 2,113,066.14 = 852,158.90 : x
  2. Step 2: Convert to fraction form
    1,531,222.40/2,113,066.14 = 852,158.90/x
  3. Step 3: Cross multiply
    1,531,222.40x = 2,113,066.14 × 852,158.90
  4. Step 4: Simplify right side
    1,531,222.40x = 1,800,668,117,489.65
  5. Step 5: Solve for x
    x = 1,800,668,117,489.65/1,531,222.40
  6. Step 6: Final answer
    x = 1,175,967.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.