Home / 1,787,979.60-2,678,470.20-1,075,892.40

Finding the Fourth Proportional to 1,787,979.60, 2,678,470.20 and 1,075,892.40

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Solution

The fourth proportional to 1,787,979.60, 2,678,470.20 and 1,075,892.40 is: 1,611,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,979.60 : 2,678,470.20 = 1,075,892.40 : x
  2. Step 2: Convert to fraction form
    1,787,979.60/2,678,470.20 = 1,075,892.40/x
  3. Step 3: Cross multiply
    1,787,979.60x = 2,678,470.20 × 1,075,892.40
  4. Step 4: Simplify right side
    1,787,979.60x = 2,881,745,731,806.48
  5. Step 5: Solve for x
    x = 2,881,745,731,806.48/1,787,979.60
  6. Step 6: Final answer
    x = 1,611,733.00

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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.