Home / 1,636,270.80-2,454,406.20-1,069,400.40

Finding the Fourth Proportional to 1,636,270.80, 2,454,406.20 and 1,069,400.40

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Solution

The fourth proportional to 1,636,270.80, 2,454,406.20 and 1,069,400.40 is: 1,604,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,270.80 : 2,454,406.20 = 1,069,400.40 : x
  2. Step 2: Convert to fraction form
    1,636,270.80/2,454,406.20 = 1,069,400.40/x
  3. Step 3: Cross multiply
    1,636,270.80x = 2,454,406.20 × 1,069,400.40
  4. Step 4: Simplify right side
    1,636,270.80x = 2,624,742,972,042.48
  5. Step 5: Solve for x
    x = 2,624,742,972,042.48/1,636,270.80
  6. Step 6: Final answer
    x = 1,604,100.60

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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.