Home / 1,155,227.76-1,594,214.28-645,930

Finding the Fourth Proportional to 1,155,227.76, 1,594,214.28 and 645,930

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Solution

The fourth proportional to 1,155,227.76, 1,594,214.28 and 645,930 is: 891,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,227.76 : 1,594,214.28 = 645,930 : x
  2. Step 2: Convert to fraction form
    1,155,227.76/1,594,214.28 = 645,930/x
  3. Step 3: Cross multiply
    1,155,227.76x = 1,594,214.28 × 645,930
  4. Step 4: Simplify right side
    1,155,227.76x = 1,029,750,829,880.40
  5. Step 5: Solve for x
    x = 1,029,750,829,880.40/1,155,227.76
  6. Step 6: Final answer
    x = 891,383.38

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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.