Home / 1,249,768.20-1,724,677.48-676,806.60

Finding the Fourth Proportional to 1,249,768.20, 1,724,677.48 and 676,806.60

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Solution

The fourth proportional to 1,249,768.20, 1,724,677.48 and 676,806.60 is: 933,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,768.20 : 1,724,677.48 = 676,806.60 : x
  2. Step 2: Convert to fraction form
    1,249,768.20/1,724,677.48 = 676,806.60/x
  3. Step 3: Cross multiply
    1,249,768.20x = 1,724,677.48 × 676,806.60
  4. Step 4: Simplify right side
    1,249,768.20x = 1,167,273,089,327.95
  5. Step 5: Solve for x
    x = 1,167,273,089,327.95/1,249,768.20
  6. Step 6: Final answer
    x = 933,991.67

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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.