Home / 1,353,307.20-1,867,326.58-772,265.04

Finding the Fourth Proportional to 1,353,307.20, 1,867,326.58 and 772,265.04

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Solution

The fourth proportional to 1,353,307.20, 1,867,326.58 and 772,265.04 is: 1,065,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,307.20 : 1,867,326.58 = 772,265.04 : x
  2. Step 2: Convert to fraction form
    1,353,307.20/1,867,326.58 = 772,265.04/x
  3. Step 3: Cross multiply
    1,353,307.20x = 1,867,326.58 × 772,265.04
  4. Step 4: Simplify right side
    1,353,307.20x = 1,442,071,035,996.76
  5. Step 5: Solve for x
    x = 1,442,071,035,996.76/1,353,307.20
  6. Step 6: Final answer
    x = 1,065,590.31

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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.