Home / 1,171,519.36-1,755,271.04-786,547.20

Finding the Fourth Proportional to 1,171,519.36, 1,755,271.04 and 786,547.20

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Solution

The fourth proportional to 1,171,519.36, 1,755,271.04 and 786,547.20 is: 1,178,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,519.36 : 1,755,271.04 = 786,547.20 : x
  2. Step 2: Convert to fraction form
    1,171,519.36/1,755,271.04 = 786,547.20/x
  3. Step 3: Cross multiply
    1,171,519.36x = 1,755,271.04 × 786,547.20
  4. Step 4: Simplify right side
    1,171,519.36x = 1,380,603,521,753.09
  5. Step 5: Solve for x
    x = 1,380,603,521,753.09/1,171,519.36
  6. Step 6: Final answer
    x = 1,178,472.65

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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.