Home / 1,678,245.40-2,517,368.10-969,657.40

Finding the Fourth Proportional to 1,678,245.40, 2,517,368.10 and 969,657.40

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Solution

The fourth proportional to 1,678,245.40, 2,517,368.10 and 969,657.40 is: 1,454,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,245.40 : 2,517,368.10 = 969,657.40 : x
  2. Step 2: Convert to fraction form
    1,678,245.40/2,517,368.10 = 969,657.40/x
  3. Step 3: Cross multiply
    1,678,245.40x = 2,517,368.10 × 969,657.40
  4. Step 4: Simplify right side
    1,678,245.40x = 2,440,984,606,688.94
  5. Step 5: Solve for x
    x = 2,440,984,606,688.94/1,678,245.40
  6. Step 6: Final answer
    x = 1,454,486.10

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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.