Home / 1,424,411.60-2,137,999.80-715,240.40

Finding the Fourth Proportional to 1,424,411.60, 2,137,999.80 and 715,240.40

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Solution

The fourth proportional to 1,424,411.60, 2,137,999.80 and 715,240.40 is: 1,073,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,411.60 : 2,137,999.80 = 715,240.40 : x
  2. Step 2: Convert to fraction form
    1,424,411.60/2,137,999.80 = 715,240.40/x
  3. Step 3: Cross multiply
    1,424,411.60x = 2,137,999.80 × 715,240.40
  4. Step 4: Simplify right side
    1,424,411.60x = 1,529,183,832,151.92
  5. Step 5: Solve for x
    x = 1,529,183,832,151.92/1,424,411.60
  6. Step 6: Final answer
    x = 1,073,554.75

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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.