Home / 1,310,485-1,966,200.52-457,682.16

Finding the Fourth Proportional to 1,310,485, 1,966,200.52 and 457,682.16

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Solution

The fourth proportional to 1,310,485, 1,966,200.52 and 457,682.16 is: 686,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,485 : 1,966,200.52 = 457,682.16 : x
  2. Step 2: Convert to fraction form
    1,310,485/1,966,200.52 = 457,682.16/x
  3. Step 3: Cross multiply
    1,310,485x = 1,966,200.52 × 457,682.16
  4. Step 4: Simplify right side
    1,310,485x = 899,894,900,986.72
  5. Step 5: Solve for x
    x = 899,894,900,986.72/1,310,485
  6. Step 6: Final answer
    x = 686,688.44

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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.