Home / 1,447,719.90-1,997,855.76-803,140.08

Finding the Fourth Proportional to 1,447,719.90, 1,997,855.76 and 803,140.08

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Solution

The fourth proportional to 1,447,719.90, 1,997,855.76 and 803,140.08 is: 1,108,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,719.90 : 1,997,855.76 = 803,140.08 : x
  2. Step 2: Convert to fraction form
    1,447,719.90/1,997,855.76 = 803,140.08/x
  3. Step 3: Cross multiply
    1,447,719.90x = 1,997,855.76 × 803,140.08
  4. Step 4: Simplify right side
    1,447,719.90x = 1,604,558,034,914.86
  5. Step 5: Solve for x
    x = 1,604,558,034,914.86/1,447,719.90
  6. Step 6: Final answer
    x = 1,108,334.59

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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.