Home / 1,347,125.66-1,859,033.40-918,155.18

Finding the Fourth Proportional to 1,347,125.66, 1,859,033.40 and 918,155.18

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Solution

The fourth proportional to 1,347,125.66, 1,859,033.40 and 918,155.18 is: 1,267,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,125.66 : 1,859,033.40 = 918,155.18 : x
  2. Step 2: Convert to fraction form
    1,347,125.66/1,859,033.40 = 918,155.18/x
  3. Step 3: Cross multiply
    1,347,125.66x = 1,859,033.40 × 918,155.18
  4. Step 4: Simplify right side
    1,347,125.66x = 1,706,881,146,003.01
  5. Step 5: Solve for x
    x = 1,706,881,146,003.01/1,347,125.66
  6. Step 6: Final answer
    x = 1,267,054.14

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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.