Home / 1,447,359.40-1,997,595.12-802,987.20

Finding the Fourth Proportional to 1,447,359.40, 1,997,595.12 and 802,987.20

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Solution

The fourth proportional to 1,447,359.40, 1,997,595.12 and 802,987.20 is: 1,108,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,359.40 : 1,997,595.12 = 802,987.20 : x
  2. Step 2: Convert to fraction form
    1,447,359.40/1,997,595.12 = 802,987.20/x
  3. Step 3: Cross multiply
    1,447,359.40x = 1,997,595.12 × 802,987.20
  4. Step 4: Simplify right side
    1,447,359.40x = 1,604,043,312,142.46
  5. Step 5: Solve for x
    x = 1,604,043,312,142.46/1,447,359.40
  6. Step 6: Final answer
    x = 1,108,255.01

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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.