Home / 1,354,924.23-1,869,660.69-782,148.93

Finding the Fourth Proportional to 1,354,924.23, 1,869,660.69 and 782,148.93

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Solution

The fourth proportional to 1,354,924.23, 1,869,660.69 and 782,148.93 is: 1,079,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,924.23 : 1,869,660.69 = 782,148.93 : x
  2. Step 2: Convert to fraction form
    1,354,924.23/1,869,660.69 = 782,148.93/x
  3. Step 3: Cross multiply
    1,354,924.23x = 1,869,660.69 × 782,148.93
  4. Step 4: Simplify right side
    1,354,924.23x = 1,462,353,108,146.56
  5. Step 5: Solve for x
    x = 1,462,353,108,146.56/1,354,924.23
  6. Step 6: Final answer
    x = 1,079,287.74

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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.