Home / 1,426,277.72-1,968,174.02-781,652.18

Finding the Fourth Proportional to 1,426,277.72, 1,968,174.02 and 781,652.18

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Solution

The fourth proportional to 1,426,277.72, 1,968,174.02 and 781,652.18 is: 1,078,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,277.72 : 1,968,174.02 = 781,652.18 : x
  2. Step 2: Convert to fraction form
    1,426,277.72/1,968,174.02 = 781,652.18/x
  3. Step 3: Cross multiply
    1,426,277.72x = 1,968,174.02 × 781,652.18
  4. Step 4: Simplify right side
    1,426,277.72x = 1,538,427,506,957.55
  5. Step 5: Solve for x
    x = 1,538,427,506,957.55/1,426,277.72
  6. Step 6: Final answer
    x = 1,078,631.10

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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.