Home / 1,152,870.40-1,729,305.60-1,082,886.40

Finding the Fourth Proportional to 1,152,870.40, 1,729,305.60 and 1,082,886.40

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Solution

The fourth proportional to 1,152,870.40, 1,729,305.60 and 1,082,886.40 is: 1,624,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,870.40 : 1,729,305.60 = 1,082,886.40 : x
  2. Step 2: Convert to fraction form
    1,152,870.40/1,729,305.60 = 1,082,886.40/x
  3. Step 3: Cross multiply
    1,152,870.40x = 1,729,305.60 × 1,082,886.40
  4. Step 4: Simplify right side
    1,152,870.40x = 1,872,641,515,683.84
  5. Step 5: Solve for x
    x = 1,872,641,515,683.84/1,152,870.40
  6. Step 6: Final answer
    x = 1,624,329.60

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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.