Home / 1,152,783.90-1,728,139.05-731,843.10

Finding the Fourth Proportional to 1,152,783.90, 1,728,139.05 and 731,843.10

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Solution

The fourth proportional to 1,152,783.90, 1,728,139.05 and 731,843.10 is: 1,097,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,783.90 : 1,728,139.05 = 731,843.10 : x
  2. Step 2: Convert to fraction form
    1,152,783.90/1,728,139.05 = 731,843.10/x
  3. Step 3: Cross multiply
    1,152,783.90x = 1,728,139.05 × 731,843.10
  4. Step 4: Simplify right side
    1,152,783.90x = 1,264,726,639,583.06
  5. Step 5: Solve for x
    x = 1,264,726,639,583.06/1,152,783.90
  6. Step 6: Final answer
    x = 1,097,106.44

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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.