Home / 1,107,345.54-1,660,887.09-359,391.54

Finding the Fourth Proportional to 1,107,345.54, 1,660,887.09 and 359,391.54

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Solution

The fourth proportional to 1,107,345.54, 1,660,887.09 and 359,391.54 is: 539,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,345.54 : 1,660,887.09 = 359,391.54 : x
  2. Step 2: Convert to fraction form
    1,107,345.54/1,660,887.09 = 359,391.54/x
  3. Step 3: Cross multiply
    1,107,345.54x = 1,660,887.09 × 359,391.54
  4. Step 4: Simplify right side
    1,107,345.54x = 596,908,769,041.22
  5. Step 5: Solve for x
    x = 596,908,769,041.22/1,107,345.54
  6. Step 6: Final answer
    x = 539,044.72

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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.