Home / 1,242,943.16-1,715,244.63-699,078.74

Finding the Fourth Proportional to 1,242,943.16, 1,715,244.63 and 699,078.74

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Solution

The fourth proportional to 1,242,943.16, 1,715,244.63 and 699,078.74 is: 964,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,943.16 : 1,715,244.63 = 699,078.74 : x
  2. Step 2: Convert to fraction form
    1,242,943.16/1,715,244.63 = 699,078.74/x
  3. Step 3: Cross multiply
    1,242,943.16x = 1,715,244.63 × 699,078.74
  4. Step 4: Simplify right side
    1,242,943.16x = 1,199,091,047,466.72
  5. Step 5: Solve for x
    x = 1,199,091,047,466.72/1,242,943.16
  6. Step 6: Final answer
    x = 964,719.13

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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.