Home / 1,426,838.58-2,140,587.27-480,186.18

Finding the Fourth Proportional to 1,426,838.58, 2,140,587.27 and 480,186.18

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Solution

The fourth proportional to 1,426,838.58, 2,140,587.27 and 480,186.18 is: 720,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,838.58 : 2,140,587.27 = 480,186.18 : x
  2. Step 2: Convert to fraction form
    1,426,838.58/2,140,587.27 = 480,186.18/x
  3. Step 3: Cross multiply
    1,426,838.58x = 2,140,587.27 × 480,186.18
  4. Step 4: Simplify right side
    1,426,838.58x = 1,027,880,424,137.93
  5. Step 5: Solve for x
    x = 1,027,880,424,137.93/1,426,838.58
  6. Step 6: Final answer
    x = 720,390.13

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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.