Home / 1,006,987.44-1,388,676.71-676,590.53

Finding the Fourth Proportional to 1,006,987.44, 1,388,676.71 and 676,590.53

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Solution

The fourth proportional to 1,006,987.44, 1,388,676.71 and 676,590.53 is: 933,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,987.44 : 1,388,676.71 = 676,590.53 : x
  2. Step 2: Convert to fraction form
    1,006,987.44/1,388,676.71 = 676,590.53/x
  3. Step 3: Cross multiply
    1,006,987.44x = 1,388,676.71 × 676,590.53
  4. Step 4: Simplify right side
    1,006,987.44x = 939,565,507,834.60
  5. Step 5: Solve for x
    x = 939,565,507,834.60/1,006,987.44
  6. Step 6: Final answer
    x = 933,045.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.