Home / 1,151,564.50-1,589,159.01-642,267.28

Finding the Fourth Proportional to 1,151,564.50, 1,589,159.01 and 642,267.28

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Solution

The fourth proportional to 1,151,564.50, 1,589,159.01 and 642,267.28 is: 886,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,564.50 : 1,589,159.01 = 642,267.28 : x
  2. Step 2: Convert to fraction form
    1,151,564.50/1,589,159.01 = 642,267.28/x
  3. Step 3: Cross multiply
    1,151,564.50x = 1,589,159.01 × 642,267.28
  4. Step 4: Simplify right side
    1,151,564.50x = 1,020,664,834,840.19
  5. Step 5: Solve for x
    x = 1,020,664,834,840.19/1,151,564.50
  6. Step 6: Final answer
    x = 886,328.85

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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.