Home / 1,225,533.48-1,838,349.66-426,895.80

Finding the Fourth Proportional to 1,225,533.48, 1,838,349.66 and 426,895.80

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Solution

The fourth proportional to 1,225,533.48, 1,838,349.66 and 426,895.80 is: 640,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,533.48 : 1,838,349.66 = 426,895.80 : x
  2. Step 2: Convert to fraction form
    1,225,533.48/1,838,349.66 = 426,895.80/x
  3. Step 3: Cross multiply
    1,225,533.48x = 1,838,349.66 × 426,895.80
  4. Step 4: Simplify right side
    1,225,533.48x = 784,783,748,785.43
  5. Step 5: Solve for x
    x = 784,783,748,785.43/1,225,533.48
  6. Step 6: Final answer
    x = 640,360.92

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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.