Home / 1,315,317.40-1,972,976.10-961,023.40

Finding the Fourth Proportional to 1,315,317.40, 1,972,976.10 and 961,023.40

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Solution

The fourth proportional to 1,315,317.40, 1,972,976.10 and 961,023.40 is: 1,441,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,317.40 : 1,972,976.10 = 961,023.40 : x
  2. Step 2: Convert to fraction form
    1,315,317.40/1,972,976.10 = 961,023.40/x
  3. Step 3: Cross multiply
    1,315,317.40x = 1,972,976.10 × 961,023.40
  4. Step 4: Simplify right side
    1,315,317.40x = 1,896,076,199,740.74
  5. Step 5: Solve for x
    x = 1,896,076,199,740.74/1,315,317.40
  6. Step 6: Final answer
    x = 1,441,535.10

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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.