Home / 882,295.20-1,319,943.60-765,266.40

Finding the Fourth Proportional to 882,295.20, 1,319,943.60 and 765,266.40

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Solution

The fourth proportional to 882,295.20, 1,319,943.60 and 765,266.40 is: 1,144,864.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,295.20 : 1,319,943.60 = 765,266.40 : x
  2. Step 2: Convert to fraction form
    882,295.20/1,319,943.60 = 765,266.40/x
  3. Step 3: Cross multiply
    882,295.20x = 1,319,943.60 × 765,266.40
  4. Step 4: Simplify right side
    882,295.20x = 1,010,108,486,975.04
  5. Step 5: Solve for x
    x = 1,010,108,486,975.04/882,295.20
  6. Step 6: Final answer
    x = 1,144,864.54

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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.