Home / 1,343,937.92-2,014,893.26-811,332.36

Finding the Fourth Proportional to 1,343,937.92, 2,014,893.26 and 811,332.36

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Solution

The fourth proportional to 1,343,937.92, 2,014,893.26 and 811,332.36 is: 1,216,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,937.92 : 2,014,893.26 = 811,332.36 : x
  2. Step 2: Convert to fraction form
    1,343,937.92/2,014,893.26 = 811,332.36/x
  3. Step 3: Cross multiply
    1,343,937.92x = 2,014,893.26 × 811,332.36
  4. Step 4: Simplify right side
    1,343,937.92x = 1,634,748,103,783.89
  5. Step 5: Solve for x
    x = 1,634,748,103,783.89/1,343,937.92
  6. Step 6: Final answer
    x = 1,216,386.62

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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.