Home / 1,161,878.48-1,603,360.32-645,619.04

Finding the Fourth Proportional to 1,161,878.48, 1,603,360.32 and 645,619.04

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Solution

The fourth proportional to 1,161,878.48, 1,603,360.32 and 645,619.04 is: 890,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,878.48 : 1,603,360.32 = 645,619.04 : x
  2. Step 2: Convert to fraction form
    1,161,878.48/1,603,360.32 = 645,619.04/x
  3. Step 3: Cross multiply
    1,161,878.48x = 1,603,360.32 × 645,619.04
  4. Step 4: Simplify right side
    1,161,878.48x = 1,035,159,950,572.49
  5. Step 5: Solve for x
    x = 1,035,159,950,572.49/1,161,878.48
  6. Step 6: Final answer
    x = 890,936.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.