Home / 1,370,280-2,055,616.02-423,723.72

Finding the Fourth Proportional to 1,370,280, 2,055,616.02 and 423,723.72

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Solution

The fourth proportional to 1,370,280, 2,055,616.02 and 423,723.72 is: 635,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,280 : 2,055,616.02 = 423,723.72 : x
  2. Step 2: Convert to fraction form
    1,370,280/2,055,616.02 = 423,723.72/x
  3. Step 3: Cross multiply
    1,370,280x = 2,055,616.02 × 423,723.72
  4. Step 4: Simplify right side
    1,370,280x = 871,013,266,885.99
  5. Step 5: Solve for x
    x = 871,013,266,885.99/1,370,280
  6. Step 6: Final answer
    x = 635,646.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.