Home / 1,557,913.50-2,149,927.11-842,521.50

Finding the Fourth Proportional to 1,557,913.50, 2,149,927.11 and 842,521.50

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Solution

The fourth proportional to 1,557,913.50, 2,149,927.11 and 842,521.50 is: 1,162,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,913.50 : 2,149,927.11 = 842,521.50 : x
  2. Step 2: Convert to fraction form
    1,557,913.50/2,149,927.11 = 842,521.50/x
  3. Step 3: Cross multiply
    1,557,913.50x = 2,149,927.11 × 842,521.50
  4. Step 4: Simplify right side
    1,557,913.50x = 1,811,359,813,607.87
  5. Step 5: Solve for x
    x = 1,811,359,813,607.87/1,557,913.50
  6. Step 6: Final answer
    x = 1,162,683.17

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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.