Home / 1,787,564.65-2,677,756.86-826,673.40

Finding the Fourth Proportional to 1,787,564.65, 2,677,756.86 and 826,673.40

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Solution

The fourth proportional to 1,787,564.65, 2,677,756.86 and 826,673.40 is: 1,238,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,564.65 : 2,677,756.86 = 826,673.40 : x
  2. Step 2: Convert to fraction form
    1,787,564.65/2,677,756.86 = 826,673.40/x
  3. Step 3: Cross multiply
    1,787,564.65x = 2,677,756.86 × 826,673.40
  4. Step 4: Simplify right side
    1,787,564.65x = 2,213,630,367,829.52
  5. Step 5: Solve for x
    x = 2,213,630,367,829.52/1,787,564.65
  6. Step 6: Final answer
    x = 1,238,349.82

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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.