Home / 1,392,306.51-2,088,461.58-381,437.34

Finding the Fourth Proportional to 1,392,306.51, 2,088,461.58 and 381,437.34

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Solution

The fourth proportional to 1,392,306.51, 2,088,461.58 and 381,437.34 is: 572,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,306.51 : 2,088,461.58 = 381,437.34 : x
  2. Step 2: Convert to fraction form
    1,392,306.51/2,088,461.58 = 381,437.34/x
  3. Step 3: Cross multiply
    1,392,306.51x = 2,088,461.58 × 381,437.34
  4. Step 4: Simplify right side
    1,392,306.51x = 796,617,229,767.40
  5. Step 5: Solve for x
    x = 796,617,229,767.40/1,392,306.51
  6. Step 6: Final answer
    x = 572,156.51

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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.