Home / 1,269,595.13-1,904,370.63-511,417.21

Finding the Fourth Proportional to 1,269,595.13, 1,904,370.63 and 511,417.21

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Solution

The fourth proportional to 1,269,595.13, 1,904,370.63 and 511,417.21 is: 767,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,595.13 : 1,904,370.63 = 511,417.21 : x
  2. Step 2: Convert to fraction form
    1,269,595.13/1,904,370.63 = 511,417.21/x
  3. Step 3: Cross multiply
    1,269,595.13x = 1,904,370.63 × 511,417.21
  4. Step 4: Simplify right side
    1,269,595.13x = 973,927,909,639.62
  5. Step 5: Solve for x
    x = 973,927,909,639.62/1,269,595.13
  6. Step 6: Final answer
    x = 767,116.93

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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.