Home / 1,447,719.36-1,997,855.10-803,139.56

Finding the Fourth Proportional to 1,447,719.36, 1,997,855.10 and 803,139.56

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Solution

The fourth proportional to 1,447,719.36, 1,997,855.10 and 803,139.56 is: 1,108,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,719.36 : 1,997,855.10 = 803,139.56 : x
  2. Step 2: Convert to fraction form
    1,447,719.36/1,997,855.10 = 803,139.56/x
  3. Step 3: Cross multiply
    1,447,719.36x = 1,997,855.10 × 803,139.56
  4. Step 4: Simplify right side
    1,447,719.36x = 1,604,556,465,957.76
  5. Step 5: Solve for x
    x = 1,604,556,465,957.76/1,447,719.36
  6. Step 6: Final answer
    x = 1,108,333.91

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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.