Home / 1,137,942.40-1,707,753.48-538,902.40

Finding the Fourth Proportional to 1,137,942.40, 1,707,753.48 and 538,902.40

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Solution

The fourth proportional to 1,137,942.40, 1,707,753.48 and 538,902.40 is: 808,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,942.40 : 1,707,753.48 = 538,902.40 : x
  2. Step 2: Convert to fraction form
    1,137,942.40/1,707,753.48 = 538,902.40/x
  3. Step 3: Cross multiply
    1,137,942.40x = 1,707,753.48 × 538,902.40
  4. Step 4: Simplify right side
    1,137,942.40x = 920,312,448,980.35
  5. Step 5: Solve for x
    x = 920,312,448,980.35/1,137,942.40
  6. Step 6: Final answer
    x = 808,751.35

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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.