Home / 1,158,887.88-1,738,580.94-390,461.97

Finding the Fourth Proportional to 1,158,887.88, 1,738,580.94 and 390,461.97

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Solution

The fourth proportional to 1,158,887.88, 1,738,580.94 and 390,461.97 is: 585,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,887.88 : 1,738,580.94 = 390,461.97 : x
  2. Step 2: Convert to fraction form
    1,158,887.88/1,738,580.94 = 390,461.97/x
  3. Step 3: Cross multiply
    1,158,887.88x = 1,738,580.94 × 390,461.97
  4. Step 4: Simplify right side
    1,158,887.88x = 678,849,734,478.84
  5. Step 5: Solve for x
    x = 678,849,734,478.84/1,158,887.88
  6. Step 6: Final answer
    x = 585,776.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.