Home / 1,887,338.08-2,830,989.84-765,140.32

Finding the Fourth Proportional to 1,887,338.08, 2,830,989.84 and 765,140.32

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Solution

The fourth proportional to 1,887,338.08, 2,830,989.84 and 765,140.32 is: 1,147,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,338.08 : 2,830,989.84 = 765,140.32 : x
  2. Step 2: Convert to fraction form
    1,887,338.08/2,830,989.84 = 765,140.32/x
  3. Step 3: Cross multiply
    1,887,338.08x = 2,830,989.84 × 765,140.32
  4. Step 4: Simplify right side
    1,887,338.08x = 2,166,104,472,094.35
  5. Step 5: Solve for x
    x = 2,166,104,472,094.35/1,887,338.08
  6. Step 6: Final answer
    x = 1,147,703.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.