Home / 1,315,391.52-1,816,983.09-1,058,237.02

Finding the Fourth Proportional to 1,315,391.52, 1,816,983.09 and 1,058,237.02

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Solution

The fourth proportional to 1,315,391.52, 1,816,983.09 and 1,058,237.02 is: 1,461,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,391.52 : 1,816,983.09 = 1,058,237.02 : x
  2. Step 2: Convert to fraction form
    1,315,391.52/1,816,983.09 = 1,058,237.02/x
  3. Step 3: Cross multiply
    1,315,391.52x = 1,816,983.09 × 1,058,237.02
  4. Step 4: Simplify right side
    1,315,391.52x = 1,922,798,772,823.22
  5. Step 5: Solve for x
    x = 1,922,798,772,823.22/1,315,391.52
  6. Step 6: Final answer
    x = 1,461,769.17

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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.