Home / 1,240,357.24-1,711,587.90-750,509.20

Finding the Fourth Proportional to 1,240,357.24, 1,711,587.90 and 750,509.20

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Solution

The fourth proportional to 1,240,357.24, 1,711,587.90 and 750,509.20 is: 1,035,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,357.24 : 1,711,587.90 = 750,509.20 : x
  2. Step 2: Convert to fraction form
    1,240,357.24/1,711,587.90 = 750,509.20/x
  3. Step 3: Cross multiply
    1,240,357.24x = 1,711,587.90 × 750,509.20
  4. Step 4: Simplify right side
    1,240,357.24x = 1,284,562,465,558.68
  5. Step 5: Solve for x
    x = 1,284,562,465,558.68/1,240,357.24
  6. Step 6: Final answer
    x = 1,035,639.11

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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.