Home / 1,310,356.40-1,808,285.64-737,406.16

Finding the Fourth Proportional to 1,310,356.40, 1,808,285.64 and 737,406.16

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Solution

The fourth proportional to 1,310,356.40, 1,808,285.64 and 737,406.16 is: 1,017,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,356.40 : 1,808,285.64 = 737,406.16 : x
  2. Step 2: Convert to fraction form
    1,310,356.40/1,808,285.64 = 737,406.16/x
  3. Step 3: Cross multiply
    1,310,356.40x = 1,808,285.64 × 737,406.16
  4. Step 4: Simplify right side
    1,310,356.40x = 1,333,440,969,975.54
  5. Step 5: Solve for x
    x = 1,333,440,969,975.54/1,310,356.40
  6. Step 6: Final answer
    x = 1,017,617.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.