Home / 1,105,312.08-1,525,319.88-615,273.82

Finding the Fourth Proportional to 1,105,312.08, 1,525,319.88 and 615,273.82

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Solution

The fourth proportional to 1,105,312.08, 1,525,319.88 and 615,273.82 is: 849,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,312.08 : 1,525,319.88 = 615,273.82 : x
  2. Step 2: Convert to fraction form
    1,105,312.08/1,525,319.88 = 615,273.82/x
  3. Step 3: Cross multiply
    1,105,312.08x = 1,525,319.88 × 615,273.82
  4. Step 4: Simplify right side
    1,105,312.08x = 938,489,389,289.54
  5. Step 5: Solve for x
    x = 938,489,389,289.54/1,105,312.08
  6. Step 6: Final answer
    x = 849,071.87

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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.