Home / 1,137,210.72-1,569,358.38-620,968.20

Finding the Fourth Proportional to 1,137,210.72, 1,569,358.38 and 620,968.20

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Solution

The fourth proportional to 1,137,210.72, 1,569,358.38 and 620,968.20 is: 856,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,210.72 : 1,569,358.38 = 620,968.20 : x
  2. Step 2: Convert to fraction form
    1,137,210.72/1,569,358.38 = 620,968.20/x
  3. Step 3: Cross multiply
    1,137,210.72x = 1,569,358.38 × 620,968.20
  4. Step 4: Simplify right side
    1,137,210.72x = 974,521,648,383.52
  5. Step 5: Solve for x
    x = 974,521,648,383.52/1,137,210.72
  6. Step 6: Final answer
    x = 856,940.26

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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.