Home / 1,354,872.04-1,869,877.38-782,065.96

Finding the Fourth Proportional to 1,354,872.04, 1,869,877.38 and 782,065.96

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Solution

The fourth proportional to 1,354,872.04, 1,869,877.38 and 782,065.96 is: 1,079,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,872.04 : 1,869,877.38 = 782,065.96 : x
  2. Step 2: Convert to fraction form
    1,354,872.04/1,869,877.38 = 782,065.96/x
  3. Step 3: Cross multiply
    1,354,872.04x = 1,869,877.38 × 782,065.96
  4. Step 4: Simplify right side
    1,354,872.04x = 1,462,367,448,271.98
  5. Step 5: Solve for x
    x = 1,462,367,448,271.98/1,354,872.04
  6. Step 6: Final answer
    x = 1,079,339.90

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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.