Home / 1,401,154.80-2,101,440.60-390,015.60

Finding the Fourth Proportional to 1,401,154.80, 2,101,440.60 and 390,015.60

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Solution

The fourth proportional to 1,401,154.80, 2,101,440.60 and 390,015.60 is: 584,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,154.80 : 2,101,440.60 = 390,015.60 : x
  2. Step 2: Convert to fraction form
    1,401,154.80/2,101,440.60 = 390,015.60/x
  3. Step 3: Cross multiply
    1,401,154.80x = 2,101,440.60 × 390,015.60
  4. Step 4: Simplify right side
    1,401,154.80x = 819,594,616,473.36
  5. Step 5: Solve for x
    x = 819,594,616,473.36/1,401,154.80
  6. Step 6: Final answer
    x = 584,942.23

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1.5x scale

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.