Home / 1,161,907.48-1,603,400.30-645,648.04

Finding the Fourth Proportional to 1,161,907.48, 1,603,400.30 and 645,648.04

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Solution

The fourth proportional to 1,161,907.48, 1,603,400.30 and 645,648.04 is: 890,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,907.48 : 1,603,400.30 = 645,648.04 : x
  2. Step 2: Convert to fraction form
    1,161,907.48/1,603,400.30 = 645,648.04/x
  3. Step 3: Cross multiply
    1,161,907.48x = 1,603,400.30 × 645,648.04
  4. Step 4: Simplify right side
    1,161,907.48x = 1,035,232,261,030.41
  5. Step 5: Solve for x
    x = 1,035,232,261,030.41/1,161,907.48
  6. Step 6: Final answer
    x = 890,976.50

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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.