Home / 986,934.78-1,480,302.54-669,127.23

Finding the Fourth Proportional to 986,934.78, 1,480,302.54 and 669,127.23

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Solution

The fourth proportional to 986,934.78, 1,480,302.54 and 669,127.23 is: 1,003,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,934.78 : 1,480,302.54 = 669,127.23 : x
  2. Step 2: Convert to fraction form
    986,934.78/1,480,302.54 = 669,127.23/x
  3. Step 3: Cross multiply
    986,934.78x = 1,480,302.54 × 669,127.23
  4. Step 4: Simplify right side
    986,934.78x = 990,510,738,152.16
  5. Step 5: Solve for x
    x = 990,510,738,152.16/986,934.78
  6. Step 6: Final answer
    x = 1,003,623.30

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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.