Home / 1,742,381.78-2,612,983.19-662,637.80

Finding the Fourth Proportional to 1,742,381.78, 2,612,983.19 and 662,637.80

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Solution

The fourth proportional to 1,742,381.78, 2,612,983.19 and 662,637.80 is: 993,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,381.78 : 2,612,983.19 = 662,637.80 : x
  2. Step 2: Convert to fraction form
    1,742,381.78/2,612,983.19 = 662,637.80/x
  3. Step 3: Cross multiply
    1,742,381.78x = 2,612,983.19 × 662,637.80
  4. Step 4: Simplify right side
    1,742,381.78x = 1,731,461,435,677.85
  5. Step 5: Solve for x
    x = 1,731,461,435,677.85/1,742,381.78
  6. Step 6: Final answer
    x = 993,732.52

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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.