Home / 1,603,320.40-2,404,980.87-405,246.16

Finding the Fourth Proportional to 1,603,320.40, 2,404,980.87 and 405,246.16

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Solution

The fourth proportional to 1,603,320.40, 2,404,980.87 and 405,246.16 is: 607,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,320.40 : 2,404,980.87 = 405,246.16 : x
  2. Step 2: Convert to fraction form
    1,603,320.40/2,404,980.87 = 405,246.16/x
  3. Step 3: Cross multiply
    1,603,320.40x = 2,404,980.87 × 405,246.16
  4. Step 4: Simplify right side
    1,603,320.40x = 974,609,262,440.96
  5. Step 5: Solve for x
    x = 974,609,262,440.96/1,603,320.40
  6. Step 6: Final answer
    x = 607,869.31

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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.