Home / 1,355,702.84-2,033,569.92-409,081.76

Finding the Fourth Proportional to 1,355,702.84, 2,033,569.92 and 409,081.76

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Solution

The fourth proportional to 1,355,702.84, 2,033,569.92 and 409,081.76 is: 613,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,702.84 : 2,033,569.92 = 409,081.76 : x
  2. Step 2: Convert to fraction form
    1,355,702.84/2,033,569.92 = 409,081.76/x
  3. Step 3: Cross multiply
    1,355,702.84x = 2,033,569.92 × 409,081.76
  4. Step 4: Simplify right side
    1,355,702.84x = 831,896,361,956.66
  5. Step 5: Solve for x
    x = 831,896,361,956.66/1,355,702.84
  6. Step 6: Final answer
    x = 613,627.37

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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.