Home / 1,299,509.30-1,948,550.43-400,701.50

Finding the Fourth Proportional to 1,299,509.30, 1,948,550.43 and 400,701.50

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Solution

The fourth proportional to 1,299,509.30, 1,948,550.43 and 400,701.50 is: 600,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,509.30 : 1,948,550.43 = 400,701.50 : x
  2. Step 2: Convert to fraction form
    1,299,509.30/1,948,550.43 = 400,701.50/x
  3. Step 3: Cross multiply
    1,299,509.30x = 1,948,550.43 × 400,701.50
  4. Step 4: Simplify right side
    1,299,509.30x = 780,787,070,383.89
  5. Step 5: Solve for x
    x = 780,787,070,383.89/1,299,509.30
  6. Step 6: Final answer
    x = 600,832.23

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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.