Home / 1,436,382.76-2,154,570.54-425,583.40

Finding the Fourth Proportional to 1,436,382.76, 2,154,570.54 and 425,583.40

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Solution

The fourth proportional to 1,436,382.76, 2,154,570.54 and 425,583.40 is: 638,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,382.76 : 2,154,570.54 = 425,583.40 : x
  2. Step 2: Convert to fraction form
    1,436,382.76/2,154,570.54 = 425,583.40/x
  3. Step 3: Cross multiply
    1,436,382.76x = 2,154,570.54 × 425,583.40
  4. Step 4: Simplify right side
    1,436,382.76x = 916,949,455,953.04
  5. Step 5: Solve for x
    x = 916,949,455,953.04/1,436,382.76
  6. Step 6: Final answer
    x = 638,374.03

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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.