Home / 1,478,040.76-2,217,065.78-413,075.80

Finding the Fourth Proportional to 1,478,040.76, 2,217,065.78 and 413,075.80

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Solution

The fourth proportional to 1,478,040.76, 2,217,065.78 and 413,075.80 is: 619,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,040.76 : 2,217,065.78 = 413,075.80 : x
  2. Step 2: Convert to fraction form
    1,478,040.76/2,217,065.78 = 413,075.80/x
  3. Step 3: Cross multiply
    1,478,040.76x = 2,217,065.78 × 413,075.80
  4. Step 4: Simplify right side
    1,478,040.76x = 915,816,220,726.12
  5. Step 5: Solve for x
    x = 915,816,220,726.12/1,478,040.76
  6. Step 6: Final answer
    x = 619,615.00

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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.