Home / 1,447,706.95-1,997,837.95-803,127.15

Finding the Fourth Proportional to 1,447,706.95, 1,997,837.95 and 803,127.15

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Solution

The fourth proportional to 1,447,706.95, 1,997,837.95 and 803,127.15 is: 1,108,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,706.95 : 1,997,837.95 = 803,127.15 : x
  2. Step 2: Convert to fraction form
    1,447,706.95/1,997,837.95 = 803,127.15/x
  3. Step 3: Cross multiply
    1,447,706.95x = 1,997,837.95 × 803,127.15
  4. Step 4: Simplify right side
    1,447,706.95x = 1,604,517,901,932.12
  5. Step 5: Solve for x
    x = 1,604,517,901,932.12/1,447,706.95
  6. Step 6: Final answer
    x = 1,108,316.78

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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.