Home / 1,159,820.32-1,600,560.73-643,576.24

Finding the Fourth Proportional to 1,159,820.32, 1,600,560.73 and 643,576.24

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Solution

The fourth proportional to 1,159,820.32, 1,600,560.73 and 643,576.24 is: 888,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,820.32 : 1,600,560.73 = 643,576.24 : x
  2. Step 2: Convert to fraction form
    1,159,820.32/1,600,560.73 = 643,576.24/x
  3. Step 3: Cross multiply
    1,159,820.32x = 1,600,560.73 × 643,576.24
  4. Step 4: Simplify right side
    1,159,820.32x = 1,030,082,852,117.13
  5. Step 5: Solve for x
    x = 1,030,082,852,117.13/1,159,820.32
  6. Step 6: Final answer
    x = 888,140.03

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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.