Home / 1,017,421.65-1,524,971.54-409,820.88

Finding the Fourth Proportional to 1,017,421.65, 1,524,971.54 and 409,820.88

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Solution

The fourth proportional to 1,017,421.65, 1,524,971.54 and 409,820.88 is: 614,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,421.65 : 1,524,971.54 = 409,820.88 : x
  2. Step 2: Convert to fraction form
    1,017,421.65/1,524,971.54 = 409,820.88/x
  3. Step 3: Cross multiply
    1,017,421.65x = 1,524,971.54 × 409,820.88
  4. Step 4: Simplify right side
    1,017,421.65x = 624,965,178,497.76
  5. Step 5: Solve for x
    x = 624,965,178,497.76/1,017,421.65
  6. Step 6: Final answer
    x = 614,263.69

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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.