Home / 1,091,384.76-1,637,065.62-426,531

Finding the Fourth Proportional to 1,091,384.76, 1,637,065.62 and 426,531

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Solution

The fourth proportional to 1,091,384.76, 1,637,065.62 and 426,531 is: 639,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,384.76 : 1,637,065.62 = 426,531 : x
  2. Step 2: Convert to fraction form
    1,091,384.76/1,637,065.62 = 426,531/x
  3. Step 3: Cross multiply
    1,091,384.76x = 1,637,065.62 × 426,531
  4. Step 4: Simplify right side
    1,091,384.76x = 698,259,235,964.22
  5. Step 5: Solve for x
    x = 698,259,235,964.22/1,091,384.76
  6. Step 6: Final answer
    x = 639,792.00

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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.