Home / 1,105,306.06-1,525,311.60-615,267.80

Finding the Fourth Proportional to 1,105,306.06, 1,525,311.60 and 615,267.80

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Solution

The fourth proportional to 1,105,306.06, 1,525,311.60 and 615,267.80 is: 849,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,306.06 : 1,525,311.60 = 615,267.80 : x
  2. Step 2: Convert to fraction form
    1,105,306.06/1,525,311.60 = 615,267.80/x
  3. Step 3: Cross multiply
    1,105,306.06x = 1,525,311.60 × 615,267.80
  4. Step 4: Simplify right side
    1,105,306.06x = 938,475,112,446.48
  5. Step 5: Solve for x
    x = 938,475,112,446.48/1,105,306.06
  6. Step 6: Final answer
    x = 849,063.57

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1.5x scale

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.