Home / 1,492,320.66-2,058,817.86-918,364.38

Finding the Fourth Proportional to 1,492,320.66, 2,058,817.86 and 918,364.38

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Solution

The fourth proportional to 1,492,320.66, 2,058,817.86 and 918,364.38 is: 1,266,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,320.66 : 2,058,817.86 = 918,364.38 : x
  2. Step 2: Convert to fraction form
    1,492,320.66/2,058,817.86 = 918,364.38/x
  3. Step 3: Cross multiply
    1,492,320.66x = 2,058,817.86 × 918,364.38
  4. Step 4: Simplify right side
    1,492,320.66x = 1,890,744,987,531.83
  5. Step 5: Solve for x
    x = 1,890,744,987,531.83/1,492,320.66
  6. Step 6: Final answer
    x = 1,266,983.05

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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.