Home / 1,521,868.80-2,282,630.40-400,051.20

Finding the Fourth Proportional to 1,521,868.80, 2,282,630.40 and 400,051.20

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Solution

The fourth proportional to 1,521,868.80, 2,282,630.40 and 400,051.20 is: 600,031.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,868.80 : 2,282,630.40 = 400,051.20 : x
  2. Step 2: Convert to fraction form
    1,521,868.80/2,282,630.40 = 400,051.20/x
  3. Step 3: Cross multiply
    1,521,868.80x = 2,282,630.40 × 400,051.20
  4. Step 4: Simplify right side
    1,521,868.80x = 913,169,030,676.48
  5. Step 5: Solve for x
    x = 913,169,030,676.48/1,521,868.80
  6. Step 6: Final answer
    x = 600,031.38

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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.