Home / 1,036,134.47-1,555,087.40-405,491.15

Finding the Fourth Proportional to 1,036,134.47, 1,555,087.40 and 405,491.15

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Solution

The fourth proportional to 1,036,134.47, 1,555,087.40 and 405,491.15 is: 608,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,134.47 : 1,555,087.40 = 405,491.15 : x
  2. Step 2: Convert to fraction form
    1,036,134.47/1,555,087.40 = 405,491.15/x
  3. Step 3: Cross multiply
    1,036,134.47x = 1,555,087.40 × 405,491.15
  4. Step 4: Simplify right side
    1,036,134.47x = 630,574,168,373.62
  5. Step 5: Solve for x
    x = 630,574,168,373.62/1,036,134.47
  6. Step 6: Final answer
    x = 608,583.34

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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.