Home / 1,528,387.20-2,108,520-954,431.04

Finding the Fourth Proportional to 1,528,387.20, 2,108,520 and 954,431.04

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Solution

The fourth proportional to 1,528,387.20, 2,108,520 and 954,431.04 is: 1,316,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,387.20 : 2,108,520 = 954,431.04 : x
  2. Step 2: Convert to fraction form
    1,528,387.20/2,108,520 = 954,431.04/x
  3. Step 3: Cross multiply
    1,528,387.20x = 2,108,520 × 954,431.04
  4. Step 4: Simplify right side
    1,528,387.20x = 2,012,436,936,460.80
  5. Step 5: Solve for x
    x = 2,012,436,936,460.80/1,528,387.20
  6. Step 6: Final answer
    x = 1,316,706.22

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1.5x scale

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.