Home / 1,358,120.70-2,034,228.60-824,711.40

Finding the Fourth Proportional to 1,358,120.70, 2,034,228.60 and 824,711.40

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Solution

The fourth proportional to 1,358,120.70, 2,034,228.60 and 824,711.40 is: 1,235,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,120.70 : 2,034,228.60 = 824,711.40 : x
  2. Step 2: Convert to fraction form
    1,358,120.70/2,034,228.60 = 824,711.40/x
  3. Step 3: Cross multiply
    1,358,120.70x = 2,034,228.60 × 824,711.40
  4. Step 4: Simplify right side
    1,358,120.70x = 1,677,651,516,626.04
  5. Step 5: Solve for x
    x = 1,677,651,516,626.04/1,358,120.70
  6. Step 6: Final answer
    x = 1,235,274.24

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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.