Home / 1,105,142.13-1,525,120.85-675,659.07

Finding the Fourth Proportional to 1,105,142.13, 1,525,120.85 and 675,659.07

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Solution

The fourth proportional to 1,105,142.13, 1,525,120.85 and 675,659.07 is: 932,424.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,142.13 : 1,525,120.85 = 675,659.07 : x
  2. Step 2: Convert to fraction form
    1,105,142.13/1,525,120.85 = 675,659.07/x
  3. Step 3: Cross multiply
    1,105,142.13x = 1,525,120.85 × 675,659.07
  4. Step 4: Simplify right side
    1,105,142.13x = 1,030,461,736,837.76
  5. Step 5: Solve for x
    x = 1,030,461,736,837.76/1,105,142.13
  6. Step 6: Final answer
    x = 932,424.63

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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.