Home / 1,452,400.80-2,173,942.90-776,792.76

Finding the Fourth Proportional to 1,452,400.80, 2,173,942.90 and 776,792.76

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Solution

The fourth proportional to 1,452,400.80, 2,173,942.90 and 776,792.76 is: 1,162,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,400.80 : 2,173,942.90 = 776,792.76 : x
  2. Step 2: Convert to fraction form
    1,452,400.80/2,173,942.90 = 776,792.76/x
  3. Step 3: Cross multiply
    1,452,400.80x = 2,173,942.90 × 776,792.76
  4. Step 4: Simplify right side
    1,452,400.80x = 1,688,703,105,373.40
  5. Step 5: Solve for x
    x = 1,688,703,105,373.40/1,452,400.80
  6. Step 6: Final answer
    x = 1,162,697.72

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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.