Home / 1,097,264.52-1,515,084.02-842,211.72

Finding the Fourth Proportional to 1,097,264.52, 1,515,084.02 and 842,211.72

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Solution

The fourth proportional to 1,097,264.52, 1,515,084.02 and 842,211.72 is: 1,162,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,264.52 : 1,515,084.02 = 842,211.72 : x
  2. Step 2: Convert to fraction form
    1,097,264.52/1,515,084.02 = 842,211.72/x
  3. Step 3: Cross multiply
    1,097,264.52x = 1,515,084.02 × 842,211.72
  4. Step 4: Simplify right side
    1,097,264.52x = 1,276,021,518,428.71
  5. Step 5: Solve for x
    x = 1,276,021,518,428.71/1,097,264.52
  6. Step 6: Final answer
    x = 1,162,911.49

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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.