Home / 1,034,405.40-1,427,147.16-626,376.80

Finding the Fourth Proportional to 1,034,405.40, 1,427,147.16 and 626,376.80

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Solution

The fourth proportional to 1,034,405.40, 1,427,147.16 and 626,376.80 is: 864,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,405.40 : 1,427,147.16 = 626,376.80 : x
  2. Step 2: Convert to fraction form
    1,034,405.40/1,427,147.16 = 626,376.80/x
  3. Step 3: Cross multiply
    1,034,405.40x = 1,427,147.16 × 626,376.80
  4. Step 4: Simplify right side
    1,034,405.40x = 893,931,871,209.89
  5. Step 5: Solve for x
    x = 893,931,871,209.89/1,034,405.40
  6. Step 6: Final answer
    x = 864,198.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.