Home / 1,228,620.15-1,843,210.13-375,812.18

Finding the Fourth Proportional to 1,228,620.15, 1,843,210.13 and 375,812.18

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Solution

The fourth proportional to 1,228,620.15, 1,843,210.13 and 375,812.18 is: 563,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,620.15 : 1,843,210.13 = 375,812.18 : x
  2. Step 2: Convert to fraction form
    1,228,620.15/1,843,210.13 = 375,812.18/x
  3. Step 3: Cross multiply
    1,228,620.15x = 1,843,210.13 × 375,812.18
  4. Step 4: Simplify right side
    1,228,620.15x = 692,700,820,268.28
  5. Step 5: Solve for x
    x = 692,700,820,268.28/1,228,620.15
  6. Step 6: Final answer
    x = 563,803.89

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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.