Home / 1,230,112.26-1,697,555.64-686,248.04

Finding the Fourth Proportional to 1,230,112.26, 1,697,555.64 and 686,248.04

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Solution

The fourth proportional to 1,230,112.26, 1,697,555.64 and 686,248.04 is: 947,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,112.26 : 1,697,555.64 = 686,248.04 : x
  2. Step 2: Convert to fraction form
    1,230,112.26/1,697,555.64 = 686,248.04/x
  3. Step 3: Cross multiply
    1,230,112.26x = 1,697,555.64 × 686,248.04
  4. Step 4: Simplify right side
    1,230,112.26x = 1,164,944,230,740.95
  5. Step 5: Solve for x
    x = 1,164,944,230,740.95/1,230,112.26
  6. Step 6: Final answer
    x = 947,022.70

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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.