Home / 1,531,215.90-2,113,057.17-852,152.40

Finding the Fourth Proportional to 1,531,215.90, 2,113,057.17 and 852,152.40

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Solution

The fourth proportional to 1,531,215.90, 2,113,057.17 and 852,152.40 is: 1,175,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,215.90 : 2,113,057.17 = 852,152.40 : x
  2. Step 2: Convert to fraction form
    1,531,215.90/2,113,057.17 = 852,152.40/x
  3. Step 3: Cross multiply
    1,531,215.90x = 2,113,057.17 × 852,152.40
  4. Step 4: Simplify right side
    1,531,215.90x = 1,800,646,738,752.71
  5. Step 5: Solve for x
    x = 1,800,646,738,752.71/1,531,215.90
  6. Step 6: Final answer
    x = 1,175,958.75

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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.