Home / 1,069,335.72-1,606,511.76-1,008,809.28

Finding the Fourth Proportional to 1,069,335.72, 1,606,511.76 and 1,008,809.28

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Solution

The fourth proportional to 1,069,335.72, 1,606,511.76 and 1,008,809.28 is: 1,515,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,335.72 : 1,606,511.76 = 1,008,809.28 : x
  2. Step 2: Convert to fraction form
    1,069,335.72/1,606,511.76 = 1,008,809.28/x
  3. Step 3: Cross multiply
    1,069,335.72x = 1,606,511.76 × 1,008,809.28
  4. Step 4: Simplify right side
    1,069,335.72x = 1,620,663,971,917.13
  5. Step 5: Solve for x
    x = 1,620,663,971,917.13/1,069,335.72
  6. Step 6: Final answer
    x = 1,515,580.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.