Home / 1,447,804.05-1,998,209.43-803,431.23

Finding the Fourth Proportional to 1,447,804.05, 1,998,209.43 and 803,431.23

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Solution

The fourth proportional to 1,447,804.05, 1,998,209.43 and 803,431.23 is: 1,108,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,804.05 : 1,998,209.43 = 803,431.23 : x
  2. Step 2: Convert to fraction form
    1,447,804.05/1,998,209.43 = 803,431.23/x
  3. Step 3: Cross multiply
    1,447,804.05x = 1,998,209.43 × 803,431.23
  4. Step 4: Simplify right side
    1,447,804.05x = 1,605,423,860,142.50
  5. Step 5: Solve for x
    x = 1,605,423,860,142.50/1,447,804.05
  6. Step 6: Final answer
    x = 1,108,868.19

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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.