Home / 1,017,420.77-1,524,970.22-409,820.00

Finding the Fourth Proportional to 1,017,420.77, 1,524,970.22 and 409,820.00

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Solution

The fourth proportional to 1,017,420.77, 1,524,970.22 and 409,820.00 is: 614,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,420.77 : 1,524,970.22 = 409,820.00 : x
  2. Step 2: Convert to fraction form
    1,017,420.77/1,524,970.22 = 409,820.00/x
  3. Step 3: Cross multiply
    1,017,420.77x = 1,524,970.22 × 409,820.00
  4. Step 4: Simplify right side
    1,017,420.77x = 624,963,300,397.38
  5. Step 5: Solve for x
    x = 624,963,300,397.38/1,017,420.77
  6. Step 6: Final answer
    x = 614,262.38

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1.5x scale

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.