Home / 1,144,935.74-1,579,939.45-628,686.02

Finding the Fourth Proportional to 1,144,935.74, 1,579,939.45 and 628,686.02

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Solution

The fourth proportional to 1,144,935.74, 1,579,939.45 and 628,686.02 is: 867,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,935.74 : 1,579,939.45 = 628,686.02 : x
  2. Step 2: Convert to fraction form
    1,144,935.74/1,579,939.45 = 628,686.02/x
  3. Step 3: Cross multiply
    1,144,935.74x = 1,579,939.45 × 628,686.02
  4. Step 4: Simplify right side
    1,144,935.74x = 993,285,844,661.49
  5. Step 5: Solve for x
    x = 993,285,844,661.49/1,144,935.74
  6. Step 6: Final answer
    x = 867,547.24

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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.