Home / 1,314,183.20-1,971,274.80-472,762.40

Finding the Fourth Proportional to 1,314,183.20, 1,971,274.80 and 472,762.40

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Solution

The fourth proportional to 1,314,183.20, 1,971,274.80 and 472,762.40 is: 709,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,183.20 : 1,971,274.80 = 472,762.40 : x
  2. Step 2: Convert to fraction form
    1,314,183.20/1,971,274.80 = 472,762.40/x
  3. Step 3: Cross multiply
    1,314,183.20x = 1,971,274.80 × 472,762.40
  4. Step 4: Simplify right side
    1,314,183.20x = 931,944,605,507.52
  5. Step 5: Solve for x
    x = 931,944,605,507.52/1,314,183.20
  6. Step 6: Final answer
    x = 709,143.60

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Similar ratio
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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.