Home / 1,130,809.23-1,560,473.91-647,419.32

Finding the Fourth Proportional to 1,130,809.23, 1,560,473.91 and 647,419.32

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Solution

The fourth proportional to 1,130,809.23, 1,560,473.91 and 647,419.32 is: 893,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,809.23 : 1,560,473.91 = 647,419.32 : x
  2. Step 2: Convert to fraction form
    1,130,809.23/1,560,473.91 = 647,419.32/x
  3. Step 3: Cross multiply
    1,130,809.23x = 1,560,473.91 × 647,419.32
  4. Step 4: Simplify right side
    1,130,809.23x = 1,010,280,957,689.94
  5. Step 5: Solve for x
    x = 1,010,280,957,689.94/1,130,809.23
  6. Step 6: Final answer
    x = 893,414.14

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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.