Home / 1,404,509.40-2,103,200.10-772,709.40

Finding the Fourth Proportional to 1,404,509.40, 2,103,200.10 and 772,709.40

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Solution

The fourth proportional to 1,404,509.40, 2,103,200.10 and 772,709.40 is: 1,157,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,509.40 : 2,103,200.10 = 772,709.40 : x
  2. Step 2: Convert to fraction form
    1,404,509.40/2,103,200.10 = 772,709.40/x
  3. Step 3: Cross multiply
    1,404,509.40x = 2,103,200.10 × 772,709.40
  4. Step 4: Simplify right side
    1,404,509.40x = 1,625,162,487,350.94
  5. Step 5: Solve for x
    x = 1,625,162,487,350.94/1,404,509.40
  6. Step 6: Final answer
    x = 1,157,103.32

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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.