Home / 1,155,528.87-1,594,628.63-646,231.24

Finding the Fourth Proportional to 1,155,528.87, 1,594,628.63 and 646,231.24

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Solution

The fourth proportional to 1,155,528.87, 1,594,628.63 and 646,231.24 is: 891,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,528.87 : 1,594,628.63 = 646,231.24 : x
  2. Step 2: Convert to fraction form
    1,155,528.87/1,594,628.63 = 646,231.24/x
  3. Step 3: Cross multiply
    1,155,528.87x = 1,594,628.63 × 646,231.24
  4. Step 4: Simplify right side
    1,155,528.87x = 1,030,498,836,904.40
  5. Step 5: Solve for x
    x = 1,030,498,836,904.40/1,155,528.87
  6. Step 6: Final answer
    x = 891,798.43

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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.