Home / 1,142,635.63-1,713,416.25-422,479.76

Finding the Fourth Proportional to 1,142,635.63, 1,713,416.25 and 422,479.76

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Solution

The fourth proportional to 1,142,635.63, 1,713,416.25 and 422,479.76 is: 633,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,635.63 : 1,713,416.25 = 422,479.76 : x
  2. Step 2: Convert to fraction form
    1,142,635.63/1,713,416.25 = 422,479.76/x
  3. Step 3: Cross multiply
    1,142,635.63x = 1,713,416.25 × 422,479.76
  4. Step 4: Simplify right side
    1,142,635.63x = 723,883,683,967.70
  5. Step 5: Solve for x
    x = 723,883,683,967.70/1,142,635.63
  6. Step 6: Final answer
    x = 633,521.02

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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.