Home / 1,050,937.80-1,450,210.68-687,786.45

Finding the Fourth Proportional to 1,050,937.80, 1,450,210.68 and 687,786.45

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Solution

The fourth proportional to 1,050,937.80, 1,450,210.68 and 687,786.45 is: 949,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,937.80 : 1,450,210.68 = 687,786.45 : x
  2. Step 2: Convert to fraction form
    1,050,937.80/1,450,210.68 = 687,786.45/x
  3. Step 3: Cross multiply
    1,050,937.80x = 1,450,210.68 × 687,786.45
  4. Step 4: Simplify right side
    1,050,937.80x = 997,435,255,349.29
  5. Step 5: Solve for x
    x = 997,435,255,349.29/1,050,937.80
  6. Step 6: Final answer
    x = 949,090.66

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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.