Home / 1,137,808.73-1,706,962.35-427,836.77

Finding the Fourth Proportional to 1,137,808.73, 1,706,962.35 and 427,836.77

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Solution

The fourth proportional to 1,137,808.73, 1,706,962.35 and 427,836.77 is: 641,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,808.73 : 1,706,962.35 = 427,836.77 : x
  2. Step 2: Convert to fraction form
    1,137,808.73/1,706,962.35 = 427,836.77/x
  3. Step 3: Cross multiply
    1,137,808.73x = 1,706,962.35 × 427,836.77
  4. Step 4: Simplify right side
    1,137,808.73x = 730,301,249,800.80
  5. Step 5: Solve for x
    x = 730,301,249,800.80/1,137,808.73
  6. Step 6: Final answer
    x = 641,848.87

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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.