Home / 1,180,686.80-1,770,840.12-339,047.12

Finding the Fourth Proportional to 1,180,686.80, 1,770,840.12 and 339,047.12

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Solution

The fourth proportional to 1,180,686.80, 1,770,840.12 and 339,047.12 is: 508,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,686.80 : 1,770,840.12 = 339,047.12 : x
  2. Step 2: Convert to fraction form
    1,180,686.80/1,770,840.12 = 339,047.12/x
  3. Step 3: Cross multiply
    1,180,686.80x = 1,770,840.12 × 339,047.12
  4. Step 4: Simplify right side
    1,180,686.80x = 600,398,242,666.46
  5. Step 5: Solve for x
    x = 600,398,242,666.46/1,180,686.80
  6. Step 6: Final answer
    x = 508,516.10

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1.5x scale

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.