Home / 1,234,448.81-1,703,470.70-690,479.64

Finding the Fourth Proportional to 1,234,448.81, 1,703,470.70 and 690,479.64

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Solution

The fourth proportional to 1,234,448.81, 1,703,470.70 and 690,479.64 is: 952,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,448.81 : 1,703,470.70 = 690,479.64 : x
  2. Step 2: Convert to fraction form
    1,234,448.81/1,703,470.70 = 690,479.64/x
  3. Step 3: Cross multiply
    1,234,448.81x = 1,703,470.70 × 690,479.64
  4. Step 4: Simplify right side
    1,234,448.81x = 1,176,211,837,412.75
  5. Step 5: Solve for x
    x = 1,176,211,837,412.75/1,234,448.81
  6. Step 6: Final answer
    x = 952,823.50

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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.