Home / 1,354,927.98-1,869,665.87-782,152.68

Finding the Fourth Proportional to 1,354,927.98, 1,869,665.87 and 782,152.68

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Solution

The fourth proportional to 1,354,927.98, 1,869,665.87 and 782,152.68 is: 1,079,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,927.98 : 1,869,665.87 = 782,152.68 : x
  2. Step 2: Convert to fraction form
    1,354,927.98/1,869,665.87 = 782,152.68/x
  3. Step 3: Cross multiply
    1,354,927.98x = 1,869,665.87 × 782,152.68
  4. Step 4: Simplify right side
    1,354,927.98x = 1,462,364,167,014.27
  5. Step 5: Solve for x
    x = 1,462,364,167,014.27/1,354,927.98
  6. Step 6: Final answer
    x = 1,079,292.91

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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.