Home / 883,048.80-1,326,128.40-855,055.20

Finding the Fourth Proportional to 883,048.80, 1,326,128.40 and 855,055.20

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Solution

The fourth proportional to 883,048.80, 1,326,128.40 and 855,055.20 is: 1,284,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,048.80 : 1,326,128.40 = 855,055.20 : x
  2. Step 2: Convert to fraction form
    883,048.80/1,326,128.40 = 855,055.20/x
  3. Step 3: Cross multiply
    883,048.80x = 1,326,128.40 × 855,055.20
  4. Step 4: Simplify right side
    883,048.80x = 1,133,912,984,287.68
  5. Step 5: Solve for x
    x = 1,133,912,984,287.68/883,048.80
  6. Step 6: Final answer
    x = 1,284,088.70

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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.