Home / 1,107,417.30-1,661,903.55-476,783.70

Finding the Fourth Proportional to 1,107,417.30, 1,661,903.55 and 476,783.70

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Solution

The fourth proportional to 1,107,417.30, 1,661,903.55 and 476,783.70 is: 715,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,417.30 : 1,661,903.55 = 476,783.70 : x
  2. Step 2: Convert to fraction form
    1,107,417.30/1,661,903.55 = 476,783.70/x
  3. Step 3: Cross multiply
    1,107,417.30x = 1,661,903.55 × 476,783.70
  4. Step 4: Simplify right side
    1,107,417.30x = 792,368,523,612.14
  5. Step 5: Solve for x
    x = 792,368,523,612.14/1,107,417.30
  6. Step 6: Final answer
    x = 715,510.34

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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.