Home / 1,326,724-1,830,879.12-723,113.44

Finding the Fourth Proportional to 1,326,724, 1,830,879.12 and 723,113.44

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Solution

The fourth proportional to 1,326,724, 1,830,879.12 and 723,113.44 is: 997,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,724 : 1,830,879.12 = 723,113.44 : x
  2. Step 2: Convert to fraction form
    1,326,724/1,830,879.12 = 723,113.44/x
  3. Step 3: Cross multiply
    1,326,724x = 1,830,879.12 × 723,113.44
  4. Step 4: Simplify right side
    1,326,724x = 1,323,933,298,687.37
  5. Step 5: Solve for x
    x = 1,323,933,298,687.37/1,326,724
  6. Step 6: Final answer
    x = 997,896.55

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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.