Home / 1,543,875.14-2,130,522.81-864,809.54

Finding the Fourth Proportional to 1,543,875.14, 2,130,522.81 and 864,809.54

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Solution

The fourth proportional to 1,543,875.14, 2,130,522.81 and 864,809.54 is: 1,193,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,875.14 : 2,130,522.81 = 864,809.54 : x
  2. Step 2: Convert to fraction form
    1,543,875.14/2,130,522.81 = 864,809.54/x
  3. Step 3: Cross multiply
    1,543,875.14x = 2,130,522.81 × 864,809.54
  4. Step 4: Simplify right side
    1,543,875.14x = 1,842,496,451,275.61
  5. Step 5: Solve for x
    x = 1,842,496,451,275.61/1,543,875.14
  6. Step 6: Final answer
    x = 1,193,423.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.