Home / 877,555.80-1,316,333.70-818,506.80

Finding the Fourth Proportional to 877,555.80, 1,316,333.70 and 818,506.80

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Solution

The fourth proportional to 877,555.80, 1,316,333.70 and 818,506.80 is: 1,227,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,555.80 : 1,316,333.70 = 818,506.80 : x
  2. Step 2: Convert to fraction form
    877,555.80/1,316,333.70 = 818,506.80/x
  3. Step 3: Cross multiply
    877,555.80x = 1,316,333.70 × 818,506.80
  4. Step 4: Simplify right side
    877,555.80x = 1,077,428,084,519.16
  5. Step 5: Solve for x
    x = 1,077,428,084,519.16/877,555.80
  6. Step 6: Final answer
    x = 1,227,760.20

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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.