Home / 1,447,612.80-1,997,771.16-803,033.40

Finding the Fourth Proportional to 1,447,612.80, 1,997,771.16 and 803,033.40

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Solution

The fourth proportional to 1,447,612.80, 1,997,771.16 and 803,033.40 is: 1,108,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,612.80 : 1,997,771.16 = 803,033.40 : x
  2. Step 2: Convert to fraction form
    1,447,612.80/1,997,771.16 = 803,033.40/x
  3. Step 3: Cross multiply
    1,447,612.80x = 1,997,771.16 × 803,033.40
  4. Step 4: Simplify right side
    1,447,612.80x = 1,604,276,967,036.74
  5. Step 5: Solve for x
    x = 1,604,276,967,036.74/1,447,612.80
  6. Step 6: Final answer
    x = 1,108,222.42

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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.