Home / 1,798,688.40-2,696,995.80-676,870.80

Finding the Fourth Proportional to 1,798,688.40, 2,696,995.80 and 676,870.80

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Solution

The fourth proportional to 1,798,688.40, 2,696,995.80 and 676,870.80 is: 1,014,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,688.40 : 2,696,995.80 = 676,870.80 : x
  2. Step 2: Convert to fraction form
    1,798,688.40/2,696,995.80 = 676,870.80/x
  3. Step 3: Cross multiply
    1,798,688.40x = 2,696,995.80 × 676,870.80
  4. Step 4: Simplify right side
    1,798,688.40x = 1,825,517,704,742.64
  5. Step 5: Solve for x
    x = 1,825,517,704,742.64/1,798,688.40
  6. Step 6: Final answer
    x = 1,014,916.04

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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.