Home / 1,315,252.72-1,971,694.28-473,212

Finding the Fourth Proportional to 1,315,252.72, 1,971,694.28 and 473,212

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Solution

The fourth proportional to 1,315,252.72, 1,971,694.28 and 473,212 is: 709,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,252.72 : 1,971,694.28 = 473,212 : x
  2. Step 2: Convert to fraction form
    1,315,252.72/1,971,694.28 = 473,212/x
  3. Step 3: Cross multiply
    1,315,252.72x = 1,971,694.28 × 473,212
  4. Step 4: Simplify right side
    1,315,252.72x = 933,029,393,627.36
  5. Step 5: Solve for x
    x = 933,029,393,627.36/1,315,252.72
  6. Step 6: Final answer
    x = 709,391.72

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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.