Home / 1,003,340.79-1,505,241.02-434,817.32

Finding the Fourth Proportional to 1,003,340.79, 1,505,241.02 and 434,817.32

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Solution

The fourth proportional to 1,003,340.79, 1,505,241.02 and 434,817.32 is: 652,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,340.79 : 1,505,241.02 = 434,817.32 : x
  2. Step 2: Convert to fraction form
    1,003,340.79/1,505,241.02 = 434,817.32/x
  3. Step 3: Cross multiply
    1,003,340.79x = 1,505,241.02 × 434,817.32
  4. Step 4: Simplify right side
    1,003,340.79x = 654,504,859,831.31
  5. Step 5: Solve for x
    x = 654,504,859,831.31/1,003,340.79
  6. Step 6: Final answer
    x = 652,325.58

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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.