Home / 1,137,811.74-1,706,717.07-339,072.90

Finding the Fourth Proportional to 1,137,811.74, 1,706,717.07 and 339,072.90

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Solution

The fourth proportional to 1,137,811.74, 1,706,717.07 and 339,072.90 is: 508,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,811.74 : 1,706,717.07 = 339,072.90 : x
  2. Step 2: Convert to fraction form
    1,137,811.74/1,706,717.07 = 339,072.90/x
  3. Step 3: Cross multiply
    1,137,811.74x = 1,706,717.07 × 339,072.90
  4. Step 4: Simplify right side
    1,137,811.74x = 578,701,506,404.40
  5. Step 5: Solve for x
    x = 578,701,506,404.40/1,137,811.74
  6. Step 6: Final answer
    x = 508,609.19

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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.