Home / 1,794,772.80-2,688,530.40-1,118,779.20

Finding the Fourth Proportional to 1,794,772.80, 2,688,530.40 and 1,118,779.20

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Solution

The fourth proportional to 1,794,772.80, 2,688,530.40 and 1,118,779.20 is: 1,675,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,772.80 : 2,688,530.40 = 1,118,779.20 : x
  2. Step 2: Convert to fraction form
    1,794,772.80/2,688,530.40 = 1,118,779.20/x
  3. Step 3: Cross multiply
    1,794,772.80x = 2,688,530.40 × 1,118,779.20
  4. Step 4: Simplify right side
    1,794,772.80x = 3,007,871,890,087.68
  5. Step 5: Solve for x
    x = 3,007,871,890,087.68/1,794,772.80
  6. Step 6: Final answer
    x = 1,675,906.77

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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.