Home / 1,225,578.70-1,838,368.05-1,170,466.30

Finding the Fourth Proportional to 1,225,578.70, 1,838,368.05 and 1,170,466.30

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Solution

The fourth proportional to 1,225,578.70, 1,838,368.05 and 1,170,466.30 is: 1,755,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,578.70 : 1,838,368.05 = 1,170,466.30 : x
  2. Step 2: Convert to fraction form
    1,225,578.70/1,838,368.05 = 1,170,466.30/x
  3. Step 3: Cross multiply
    1,225,578.70x = 1,838,368.05 × 1,170,466.30
  4. Step 4: Simplify right side
    1,225,578.70x = 2,151,747,849,521.72
  5. Step 5: Solve for x
    x = 2,151,747,849,521.72/1,225,578.70
  6. Step 6: Final answer
    x = 1,755,699.45

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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.