Home / 1,106,650.30-1,661,530.65-686,746.30

Finding the Fourth Proportional to 1,106,650.30, 1,661,530.65 and 686,746.30

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Solution

The fourth proportional to 1,106,650.30, 1,661,530.65 and 686,746.30 is: 1,031,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,650.30 : 1,661,530.65 = 686,746.30 : x
  2. Step 2: Convert to fraction form
    1,106,650.30/1,661,530.65 = 686,746.30/x
  3. Step 3: Cross multiply
    1,106,650.30x = 1,661,530.65 × 686,746.30
  4. Step 4: Simplify right side
    1,106,650.30x = 1,141,050,026,224.10
  5. Step 5: Solve for x
    x = 1,141,050,026,224.10/1,106,650.30
  6. Step 6: Final answer
    x = 1,031,084.55

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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.