Home / 1,494,145.86-2,061,916.98-815,077.50

Finding the Fourth Proportional to 1,494,145.86, 2,061,916.98 and 815,077.50

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Solution

The fourth proportional to 1,494,145.86, 2,061,916.98 and 815,077.50 is: 1,124,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,145.86 : 2,061,916.98 = 815,077.50 : x
  2. Step 2: Convert to fraction form
    1,494,145.86/2,061,916.98 = 815,077.50/x
  3. Step 3: Cross multiply
    1,494,145.86x = 2,061,916.98 × 815,077.50
  4. Step 4: Simplify right side
    1,494,145.86x = 1,680,622,137,265.95
  5. Step 5: Solve for x
    x = 1,680,622,137,265.95/1,494,145.86
  6. Step 6: Final answer
    x = 1,124,804.60

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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.