Home / 1,132,724-1,562,807.04-642,612.68

Finding the Fourth Proportional to 1,132,724, 1,562,807.04 and 642,612.68

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Solution

The fourth proportional to 1,132,724, 1,562,807.04 and 642,612.68 is: 886,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,724 : 1,562,807.04 = 642,612.68 : x
  2. Step 2: Convert to fraction form
    1,132,724/1,562,807.04 = 642,612.68/x
  3. Step 3: Cross multiply
    1,132,724x = 1,562,807.04 × 642,612.68
  4. Step 4: Simplify right side
    1,132,724x = 1,004,279,620,297.27
  5. Step 5: Solve for x
    x = 1,004,279,620,297.27/1,132,724
  6. Step 6: Final answer
    x = 886,605.76

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1.5x scale

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.