Home / 1,488,465.40-2,232,698.10-856,859.80

Finding the Fourth Proportional to 1,488,465.40, 2,232,698.10 and 856,859.80

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Solution

The fourth proportional to 1,488,465.40, 2,232,698.10 and 856,859.80 is: 1,285,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,465.40 : 2,232,698.10 = 856,859.80 : x
  2. Step 2: Convert to fraction form
    1,488,465.40/2,232,698.10 = 856,859.80/x
  3. Step 3: Cross multiply
    1,488,465.40x = 2,232,698.10 × 856,859.80
  4. Step 4: Simplify right side
    1,488,465.40x = 1,913,109,247,426.38
  5. Step 5: Solve for x
    x = 1,913,109,247,426.38/1,488,465.40
  6. Step 6: Final answer
    x = 1,285,289.70

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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.