Home / 1,709,129.20-2,563,693.80-1,106,829.40

Finding the Fourth Proportional to 1,709,129.20, 2,563,693.80 and 1,106,829.40

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Solution

The fourth proportional to 1,709,129.20, 2,563,693.80 and 1,106,829.40 is: 1,660,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,129.20 : 2,563,693.80 = 1,106,829.40 : x
  2. Step 2: Convert to fraction form
    1,709,129.20/2,563,693.80 = 1,106,829.40/x
  3. Step 3: Cross multiply
    1,709,129.20x = 2,563,693.80 × 1,106,829.40
  4. Step 4: Simplify right side
    1,709,129.20x = 2,837,571,670,437.72
  5. Step 5: Solve for x
    x = 2,837,571,670,437.72/1,709,129.20
  6. Step 6: Final answer
    x = 1,660,244.10

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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.