Home / 877,564.40-1,316,346.60-818,515.40

Finding the Fourth Proportional to 877,564.40, 1,316,346.60 and 818,515.40

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Solution

The fourth proportional to 877,564.40, 1,316,346.60 and 818,515.40 is: 1,227,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,564.40 : 1,316,346.60 = 818,515.40 : x
  2. Step 2: Convert to fraction form
    877,564.40/1,316,346.60 = 818,515.40/x
  3. Step 3: Cross multiply
    877,564.40x = 1,316,346.60 × 818,515.40
  4. Step 4: Simplify right side
    877,564.40x = 1,077,449,963,837.64
  5. Step 5: Solve for x
    x = 1,077,449,963,837.64/877,564.40
  6. Step 6: Final answer
    x = 1,227,773.10

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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.