Home / 1,531,208.80-2,113,024.08-852,130.72

Finding the Fourth Proportional to 1,531,208.80, 2,113,024.08 and 852,130.72

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Solution

The fourth proportional to 1,531,208.80, 2,113,024.08 and 852,130.72 is: 1,175,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,208.80 : 2,113,024.08 = 852,130.72 : x
  2. Step 2: Convert to fraction form
    1,531,208.80/2,113,024.08 = 852,130.72/x
  3. Step 3: Cross multiply
    1,531,208.80x = 2,113,024.08 × 852,130.72
  4. Step 4: Simplify right side
    1,531,208.80x = 1,800,572,730,667.74
  5. Step 5: Solve for x
    x = 1,800,572,730,667.74/1,531,208.80
  6. Step 6: Final answer
    x = 1,175,915.87

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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.