Home / 1,787,330.10-2,680,152.77-649,289.82

Finding the Fourth Proportional to 1,787,330.10, 2,680,152.77 and 649,289.82

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Solution

The fourth proportional to 1,787,330.10, 2,680,152.77 and 649,289.82 is: 973,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,330.10 : 2,680,152.77 = 649,289.82 : x
  2. Step 2: Convert to fraction form
    1,787,330.10/2,680,152.77 = 649,289.82/x
  3. Step 3: Cross multiply
    1,787,330.10x = 2,680,152.77 × 649,289.82
  4. Step 4: Simplify right side
    1,787,330.10x = 1,740,195,909,605.80
  5. Step 5: Solve for x
    x = 1,740,195,909,605.80/1,787,330.10
  6. Step 6: Final answer
    x = 973,628.72

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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.