Home / 1,355,084.66-2,033,047.98-815,934.48

Finding the Fourth Proportional to 1,355,084.66, 2,033,047.98 and 815,934.48

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Solution

The fourth proportional to 1,355,084.66, 2,033,047.98 and 815,934.48 is: 1,224,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,084.66 : 2,033,047.98 = 815,934.48 : x
  2. Step 2: Convert to fraction form
    1,355,084.66/2,033,047.98 = 815,934.48/x
  3. Step 3: Cross multiply
    1,355,084.66x = 2,033,047.98 × 815,934.48
  4. Step 4: Simplify right side
    1,355,084.66x = 1,658,833,946,376.35
  5. Step 5: Solve for x
    x = 1,658,833,946,376.35/1,355,084.66
  6. Step 6: Final answer
    x = 1,224,155.21

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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.