Home / 1,187,466.80-1,778,575.80-977,514.80

Finding the Fourth Proportional to 1,187,466.80, 1,778,575.80 and 977,514.80

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Solution

The fourth proportional to 1,187,466.80, 1,778,575.80 and 977,514.80 is: 1,464,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,466.80 : 1,778,575.80 = 977,514.80 : x
  2. Step 2: Convert to fraction form
    1,187,466.80/1,778,575.80 = 977,514.80/x
  3. Step 3: Cross multiply
    1,187,466.80x = 1,778,575.80 × 977,514.80
  4. Step 4: Simplify right side
    1,187,466.80x = 1,738,584,167,421.84
  5. Step 5: Solve for x
    x = 1,738,584,167,421.84/1,187,466.80
  6. Step 6: Final answer
    x = 1,464,111.81

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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.