Home / 1,875,012.84-2,812,520.61-455,070.24

Finding the Fourth Proportional to 1,875,012.84, 2,812,520.61 and 455,070.24

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Solution

The fourth proportional to 1,875,012.84, 2,812,520.61 and 455,070.24 is: 682,605.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,012.84 : 2,812,520.61 = 455,070.24 : x
  2. Step 2: Convert to fraction form
    1,875,012.84/2,812,520.61 = 455,070.24/x
  3. Step 3: Cross multiply
    1,875,012.84x = 2,812,520.61 × 455,070.24
  4. Step 4: Simplify right side
    1,875,012.84x = 1,279,894,428,997.65
  5. Step 5: Solve for x
    x = 1,279,894,428,997.65/1,875,012.84
  6. Step 6: Final answer
    x = 682,605.69

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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.