Home / 1,187,424.30-1,778,512.05-977,472.30

Finding the Fourth Proportional to 1,187,424.30, 1,778,512.05 and 977,472.30

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Solution

The fourth proportional to 1,187,424.30, 1,778,512.05 and 977,472.30 is: 1,464,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,424.30 : 1,778,512.05 = 977,472.30 : x
  2. Step 2: Convert to fraction form
    1,187,424.30/1,778,512.05 = 977,472.30/x
  3. Step 3: Cross multiply
    1,187,424.30x = 1,778,512.05 × 977,472.30
  4. Step 4: Simplify right side
    1,187,424.30x = 1,738,446,264,091.22
  5. Step 5: Solve for x
    x = 1,738,446,264,091.22/1,187,424.30
  6. Step 6: Final answer
    x = 1,464,048.08

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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.