Home / 1,447,367.40-1,997,606.16-802,995.20

Finding the Fourth Proportional to 1,447,367.40, 1,997,606.16 and 802,995.20

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Solution

The fourth proportional to 1,447,367.40, 1,997,606.16 and 802,995.20 is: 1,108,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,367.40 : 1,997,606.16 = 802,995.20 : x
  2. Step 2: Convert to fraction form
    1,447,367.40/1,997,606.16 = 802,995.20/x
  3. Step 3: Cross multiply
    1,447,367.40x = 1,997,606.16 × 802,995.20
  4. Step 4: Simplify right side
    1,447,367.40x = 1,604,068,147,982.40
  5. Step 5: Solve for x
    x = 1,604,068,147,982.40/1,447,367.40
  6. Step 6: Final answer
    x = 1,108,266.05

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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.