Home / 1,540,031.40-2,309,870.58-402,903.33

Finding the Fourth Proportional to 1,540,031.40, 2,309,870.58 and 402,903.33

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Solution

The fourth proportional to 1,540,031.40, 2,309,870.58 and 402,903.33 is: 604,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,031.40 : 2,309,870.58 = 402,903.33 : x
  2. Step 2: Convert to fraction form
    1,540,031.40/2,309,870.58 = 402,903.33/x
  3. Step 3: Cross multiply
    1,540,031.40x = 2,309,870.58 × 402,903.33
  4. Step 4: Simplify right side
    1,540,031.40x = 930,654,548,551.03
  5. Step 5: Solve for x
    x = 930,654,548,551.03/1,540,031.40
  6. Step 6: Final answer
    x = 604,308.81

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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.