Home / 1,485,101.40-2,049,088.66-840,521.58

Finding the Fourth Proportional to 1,485,101.40, 2,049,088.66 and 840,521.58

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Solution

The fourth proportional to 1,485,101.40, 2,049,088.66 and 840,521.58 is: 1,159,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,101.40 : 2,049,088.66 = 840,521.58 : x
  2. Step 2: Convert to fraction form
    1,485,101.40/2,049,088.66 = 840,521.58/x
  3. Step 3: Cross multiply
    1,485,101.40x = 2,049,088.66 × 840,521.58
  4. Step 4: Simplify right side
    1,485,101.40x = 1,722,303,238,063.28
  5. Step 5: Solve for x
    x = 1,722,303,238,063.28/1,485,101.40
  6. Step 6: Final answer
    x = 1,159,720.97

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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.