Home / 1,190,541.60-1,642,959.72-646,687.98

Finding the Fourth Proportional to 1,190,541.60, 1,642,959.72 and 646,687.98

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Solution

The fourth proportional to 1,190,541.60, 1,642,959.72 and 646,687.98 is: 892,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,541.60 : 1,642,959.72 = 646,687.98 : x
  2. Step 2: Convert to fraction form
    1,190,541.60/1,642,959.72 = 646,687.98/x
  3. Step 3: Cross multiply
    1,190,541.60x = 1,642,959.72 × 646,687.98
  4. Step 4: Simplify right side
    1,190,541.60x = 1,062,482,302,548.17
  5. Step 5: Solve for x
    x = 1,062,482,302,548.17/1,190,541.60
  6. Step 6: Final answer
    x = 892,436.10

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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.