Home / 1,325,316.52-1,829,117.46-781,605.64

Finding the Fourth Proportional to 1,325,316.52, 1,829,117.46 and 781,605.64

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Solution

The fourth proportional to 1,325,316.52, 1,829,117.46 and 781,605.64 is: 1,078,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,316.52 : 1,829,117.46 = 781,605.64 : x
  2. Step 2: Convert to fraction form
    1,325,316.52/1,829,117.46 = 781,605.64/x
  3. Step 3: Cross multiply
    1,325,316.52x = 1,829,117.46 × 781,605.64
  4. Step 4: Simplify right side
    1,325,316.52x = 1,429,648,522,958.47
  5. Step 5: Solve for x
    x = 1,429,648,522,958.47/1,325,316.52
  6. Step 6: Final answer
    x = 1,078,722.33

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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.