Home / 1,315,251.72-1,971,692.78-473,211

Finding the Fourth Proportional to 1,315,251.72, 1,971,692.78 and 473,211

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Solution

The fourth proportional to 1,315,251.72, 1,971,692.78 and 473,211 is: 709,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,251.72 : 1,971,692.78 = 473,211 : x
  2. Step 2: Convert to fraction form
    1,315,251.72/1,971,692.78 = 473,211/x
  3. Step 3: Cross multiply
    1,315,251.72x = 1,971,692.78 × 473,211
  4. Step 4: Simplify right side
    1,315,251.72x = 933,026,712,116.58
  5. Step 5: Solve for x
    x = 933,026,712,116.58/1,315,251.72
  6. Step 6: Final answer
    x = 709,390.22

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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.