Home / 1,210,352.40-1,815,627.96-368,911.44

Finding the Fourth Proportional to 1,210,352.40, 1,815,627.96 and 368,911.44

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Solution

The fourth proportional to 1,210,352.40, 1,815,627.96 and 368,911.44 is: 553,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,352.40 : 1,815,627.96 = 368,911.44 : x
  2. Step 2: Convert to fraction form
    1,210,352.40/1,815,627.96 = 368,911.44/x
  3. Step 3: Cross multiply
    1,210,352.40x = 1,815,627.96 × 368,911.44
  4. Step 4: Simplify right side
    1,210,352.40x = 669,805,925,227.86
  5. Step 5: Solve for x
    x = 669,805,925,227.86/1,210,352.40
  6. Step 6: Final answer
    x = 553,397.44

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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.