Home / 1,148,057.28-1,722,150.64-349,364.80

Finding the Fourth Proportional to 1,148,057.28, 1,722,150.64 and 349,364.80

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Solution

The fourth proportional to 1,148,057.28, 1,722,150.64 and 349,364.80 is: 524,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,057.28 : 1,722,150.64 = 349,364.80 : x
  2. Step 2: Convert to fraction form
    1,148,057.28/1,722,150.64 = 349,364.80/x
  3. Step 3: Cross multiply
    1,148,057.28x = 1,722,150.64 × 349,364.80
  4. Step 4: Simplify right side
    1,148,057.28x = 601,658,813,913.47
  5. Step 5: Solve for x
    x = 601,658,813,913.47/1,148,057.28
  6. Step 6: Final answer
    x = 524,066.89

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Double scale
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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.