Home / 832,012.40-1,248,018.60-682,713.20

Finding the Fourth Proportional to 832,012.40, 1,248,018.60 and 682,713.20

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Solution

The fourth proportional to 832,012.40, 1,248,018.60 and 682,713.20 is: 1,024,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,012.40 : 1,248,018.60 = 682,713.20 : x
  2. Step 2: Convert to fraction form
    832,012.40/1,248,018.60 = 682,713.20/x
  3. Step 3: Cross multiply
    832,012.40x = 1,248,018.60 × 682,713.20
  4. Step 4: Simplify right side
    832,012.40x = 852,038,772,065.52
  5. Step 5: Solve for x
    x = 852,038,772,065.52/832,012.40
  6. Step 6: Final answer
    x = 1,024,069.80

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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.