Home / 1,490,103.25-2,056,346.40-845,521.72

Finding the Fourth Proportional to 1,490,103.25, 2,056,346.40 and 845,521.72

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Solution

The fourth proportional to 1,490,103.25, 2,056,346.40 and 845,521.72 is: 1,166,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,103.25 : 2,056,346.40 = 845,521.72 : x
  2. Step 2: Convert to fraction form
    1,490,103.25/2,056,346.40 = 845,521.72/x
  3. Step 3: Cross multiply
    1,490,103.25x = 2,056,346.40 × 845,521.72
  4. Step 4: Simplify right side
    1,490,103.25x = 1,738,685,545,043.81
  5. Step 5: Solve for x
    x = 1,738,685,545,043.81/1,490,103.25
  6. Step 6: Final answer
    x = 1,166,822.20

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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.