Home / 1,295,213.02-1,787,395.68-714,423.11

Finding the Fourth Proportional to 1,295,213.02, 1,787,395.68 and 714,423.11

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Solution

The fourth proportional to 1,295,213.02, 1,787,395.68 and 714,423.11 is: 985,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,213.02 : 1,787,395.68 = 714,423.11 : x
  2. Step 2: Convert to fraction form
    1,295,213.02/1,787,395.68 = 714,423.11/x
  3. Step 3: Cross multiply
    1,295,213.02x = 1,787,395.68 × 714,423.11
  4. Step 4: Simplify right side
    1,295,213.02x = 1,276,956,771,569.19
  5. Step 5: Solve for x
    x = 1,276,956,771,569.19/1,295,213.02
  6. Step 6: Final answer
    x = 985,904.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.