Home / 918,896.19-1,267,890.93-536,849.16

Finding the Fourth Proportional to 918,896.19, 1,267,890.93 and 536,849.16

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Solution

The fourth proportional to 918,896.19, 1,267,890.93 and 536,849.16 is: 740,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,896.19 : 1,267,890.93 = 536,849.16 : x
  2. Step 2: Convert to fraction form
    918,896.19/1,267,890.93 = 536,849.16/x
  3. Step 3: Cross multiply
    918,896.19x = 1,267,890.93 × 536,849.16
  4. Step 4: Simplify right side
    918,896.19x = 680,666,180,742.12
  5. Step 5: Solve for x
    x = 680,666,180,742.12/918,896.19
  6. Step 6: Final answer
    x = 740,743.28

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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.