Home / 1,447,720.36-1,997,856.48-803,140.56

Finding the Fourth Proportional to 1,447,720.36, 1,997,856.48 and 803,140.56

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Solution

The fourth proportional to 1,447,720.36, 1,997,856.48 and 803,140.56 is: 1,108,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,720.36 : 1,997,856.48 = 803,140.56 : x
  2. Step 2: Convert to fraction form
    1,447,720.36/1,997,856.48 = 803,140.56/x
  3. Step 3: Cross multiply
    1,447,720.36x = 1,997,856.48 × 803,140.56
  4. Step 4: Simplify right side
    1,447,720.36x = 1,604,559,572,146.83
  5. Step 5: Solve for x
    x = 1,604,559,572,146.83/1,447,720.36
  6. Step 6: Final answer
    x = 1,108,335.29

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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.