Home / 1,689,720.68-2,535,146.94-552,535.40

Finding the Fourth Proportional to 1,689,720.68, 2,535,146.94 and 552,535.40

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Solution

The fourth proportional to 1,689,720.68, 2,535,146.94 and 552,535.40 is: 828,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,720.68 : 2,535,146.94 = 552,535.40 : x
  2. Step 2: Convert to fraction form
    1,689,720.68/2,535,146.94 = 552,535.40/x
  3. Step 3: Cross multiply
    1,689,720.68x = 2,535,146.94 × 552,535.40
  4. Step 4: Simplify right side
    1,689,720.68x = 1,400,758,428,551.68
  5. Step 5: Solve for x
    x = 1,400,758,428,551.68/1,689,720.68
  6. Step 6: Final answer
    x = 828,988.15

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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.