Home / 1,447,985.95-1,998,220.59-803,410.75

Finding the Fourth Proportional to 1,447,985.95, 1,998,220.59 and 803,410.75

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Solution

The fourth proportional to 1,447,985.95, 1,998,220.59 and 803,410.75 is: 1,108,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,985.95 : 1,998,220.59 = 803,410.75 : x
  2. Step 2: Convert to fraction form
    1,447,985.95/1,998,220.59 = 803,410.75/x
  3. Step 3: Cross multiply
    1,447,985.95x = 1,998,220.59 × 803,410.75
  4. Step 4: Simplify right side
    1,447,985.95x = 1,605,391,902,877.34
  5. Step 5: Solve for x
    x = 1,605,391,902,877.34/1,447,985.95
  6. Step 6: Final answer
    x = 1,108,706.82

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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.