Home / 1,877,585.40-2,816,728.72-852,987.62

Finding the Fourth Proportional to 1,877,585.40, 2,816,728.72 and 852,987.62

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Solution

The fourth proportional to 1,877,585.40, 2,816,728.72 and 852,987.62 is: 1,279,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,585.40 : 2,816,728.72 = 852,987.62 : x
  2. Step 2: Convert to fraction form
    1,877,585.40/2,816,728.72 = 852,987.62/x
  3. Step 3: Cross multiply
    1,877,585.40x = 2,816,728.72 × 852,987.62
  4. Step 4: Simplify right side
    1,877,585.40x = 2,402,634,720,338.83
  5. Step 5: Solve for x
    x = 2,402,634,720,338.83/1,877,585.40
  6. Step 6: Final answer
    x = 1,279,640.71

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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.