Home / 1,013,078.25-1,518,862.83-613,622.70

Finding the Fourth Proportional to 1,013,078.25, 1,518,862.83 and 613,622.70

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Solution

The fourth proportional to 1,013,078.25, 1,518,862.83 and 613,622.70 is: 919,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,078.25 : 1,518,862.83 = 613,622.70 : x
  2. Step 2: Convert to fraction form
    1,013,078.25/1,518,862.83 = 613,622.70/x
  3. Step 3: Cross multiply
    1,013,078.25x = 1,518,862.83 × 613,622.70
  4. Step 4: Simplify right side
    1,013,078.25x = 932,008,710,674.24
  5. Step 5: Solve for x
    x = 932,008,710,674.24/1,013,078.25
  6. Step 6: Final answer
    x = 919,977.02

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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.