Home / 1,218,237.57-1,818,637.31-1,058,849.01

Finding the Fourth Proportional to 1,218,237.57, 1,818,637.31 and 1,058,849.01

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Solution

The fourth proportional to 1,218,237.57, 1,818,637.31 and 1,058,849.01 is: 1,580,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,237.57 : 1,818,637.31 = 1,058,849.01 : x
  2. Step 2: Convert to fraction form
    1,218,237.57/1,818,637.31 = 1,058,849.01/x
  3. Step 3: Cross multiply
    1,218,237.57x = 1,818,637.31 × 1,058,849.01
  4. Step 4: Simplify right side
    1,218,237.57x = 1,925,662,317,889.69
  5. Step 5: Solve for x
    x = 1,925,662,317,889.69/1,218,237.57
  6. Step 6: Final answer
    x = 1,580,695.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.