Home / 1,710,447.40-2,565,343.05-512,408.80

Finding the Fourth Proportional to 1,710,447.40, 2,565,343.05 and 512,408.80

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Solution

The fourth proportional to 1,710,447.40, 2,565,343.05 and 512,408.80 is: 768,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,447.40 : 2,565,343.05 = 512,408.80 : x
  2. Step 2: Convert to fraction form
    1,710,447.40/2,565,343.05 = 512,408.80/x
  3. Step 3: Cross multiply
    1,710,447.40x = 2,565,343.05 × 512,408.80
  4. Step 4: Simplify right side
    1,710,447.40x = 1,314,504,353,838.84
  5. Step 5: Solve for x
    x = 1,314,504,353,838.84/1,710,447.40
  6. Step 6: Final answer
    x = 768,514.92

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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.