Home / 1,138,120.32-1,707,364.80-349,968

Finding the Fourth Proportional to 1,138,120.32, 1,707,364.80 and 349,968

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Solution

The fourth proportional to 1,138,120.32, 1,707,364.80 and 349,968 is: 525,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,120.32 : 1,707,364.80 = 349,968 : x
  2. Step 2: Convert to fraction form
    1,138,120.32/1,707,364.80 = 349,968/x
  3. Step 3: Cross multiply
    1,138,120.32x = 1,707,364.80 × 349,968
  4. Step 4: Simplify right side
    1,138,120.32x = 597,523,044,326.40
  5. Step 5: Solve for x
    x = 597,523,044,326.40/1,138,120.32
  6. Step 6: Final answer
    x = 525,008.68

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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.