Home / 1,207,148.98-1,666,010.43-723,979.93

Finding the Fourth Proportional to 1,207,148.98, 1,666,010.43 and 723,979.93

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Solution

The fourth proportional to 1,207,148.98, 1,666,010.43 and 723,979.93 is: 999,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,148.98 : 1,666,010.43 = 723,979.93 : x
  2. Step 2: Convert to fraction form
    1,207,148.98/1,666,010.43 = 723,979.93/x
  3. Step 3: Cross multiply
    1,207,148.98x = 1,666,010.43 × 723,979.93
  4. Step 4: Simplify right side
    1,207,148.98x = 1,206,158,114,490.67
  5. Step 5: Solve for x
    x = 1,206,158,114,490.67/1,207,148.98
  6. Step 6: Final answer
    x = 999,179.17

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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.