Home / 1,095,612.80-1,643,419.20-623,220.80

Finding the Fourth Proportional to 1,095,612.80, 1,643,419.20 and 623,220.80

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Solution

The fourth proportional to 1,095,612.80, 1,643,419.20 and 623,220.80 is: 934,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,612.80 : 1,643,419.20 = 623,220.80 : x
  2. Step 2: Convert to fraction form
    1,095,612.80/1,643,419.20 = 623,220.80/x
  3. Step 3: Cross multiply
    1,095,612.80x = 1,643,419.20 × 623,220.80
  4. Step 4: Simplify right side
    1,095,612.80x = 1,024,213,028,559.36
  5. Step 5: Solve for x
    x = 1,024,213,028,559.36/1,095,612.80
  6. Step 6: Final answer
    x = 934,831.20

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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.