Home / 1,129,529.82-1,693,918.86-455,437.02

Finding the Fourth Proportional to 1,129,529.82, 1,693,918.86 and 455,437.02

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Solution

The fourth proportional to 1,129,529.82, 1,693,918.86 and 455,437.02 is: 683,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,529.82 : 1,693,918.86 = 455,437.02 : x
  2. Step 2: Convert to fraction form
    1,129,529.82/1,693,918.86 = 455,437.02/x
  3. Step 3: Cross multiply
    1,129,529.82x = 1,693,918.86 × 455,437.02
  4. Step 4: Simplify right side
    1,129,529.82x = 771,473,357,720.20
  5. Step 5: Solve for x
    x = 771,473,357,720.20/1,129,529.82
  6. Step 6: Final answer
    x = 683,003.98

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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.