Home / 1,263,017.70-1,742,880.78-719,209.08

Finding the Fourth Proportional to 1,263,017.70, 1,742,880.78 and 719,209.08

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Solution

The fourth proportional to 1,263,017.70, 1,742,880.78 and 719,209.08 is: 992,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,017.70 : 1,742,880.78 = 719,209.08 : x
  2. Step 2: Convert to fraction form
    1,263,017.70/1,742,880.78 = 719,209.08/x
  3. Step 3: Cross multiply
    1,263,017.70x = 1,742,880.78 × 719,209.08
  4. Step 4: Simplify right side
    1,263,017.70x = 1,253,495,682,333.48
  5. Step 5: Solve for x
    x = 1,253,495,682,333.48/1,263,017.70
  6. Step 6: Final answer
    x = 992,460.90

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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.