Home / 1,272,480.60-1,908,064.80-473,350.80

Finding the Fourth Proportional to 1,272,480.60, 1,908,064.80 and 473,350.80

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Solution

The fourth proportional to 1,272,480.60, 1,908,064.80 and 473,350.80 is: 709,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,480.60 : 1,908,064.80 = 473,350.80 : x
  2. Step 2: Convert to fraction form
    1,272,480.60/1,908,064.80 = 473,350.80/x
  3. Step 3: Cross multiply
    1,272,480.60x = 1,908,064.80 × 473,350.80
  4. Step 4: Simplify right side
    1,272,480.60x = 903,183,999,531.84
  5. Step 5: Solve for x
    x = 903,183,999,531.84/1,272,480.60
  6. Step 6: Final answer
    x = 709,782.14

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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.