Home / 1,278,970.02-1,764,957.06-705,995.46

Finding the Fourth Proportional to 1,278,970.02, 1,764,957.06 and 705,995.46

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Solution

The fourth proportional to 1,278,970.02, 1,764,957.06 and 705,995.46 is: 974,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,970.02 : 1,764,957.06 = 705,995.46 : x
  2. Step 2: Convert to fraction form
    1,278,970.02/1,764,957.06 = 705,995.46/x
  3. Step 3: Cross multiply
    1,278,970.02x = 1,764,957.06 × 705,995.46
  4. Step 4: Simplify right side
    1,278,970.02x = 1,246,051,671,454.95
  5. Step 5: Solve for x
    x = 1,246,051,671,454.95/1,278,970.02
  6. Step 6: Final answer
    x = 974,261.83

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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.