Home / 1,158,887.48-1,738,580.36-390,461.55

Finding the Fourth Proportional to 1,158,887.48, 1,738,580.36 and 390,461.55

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Solution

The fourth proportional to 1,158,887.48, 1,738,580.36 and 390,461.55 is: 585,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,887.48 : 1,738,580.36 = 390,461.55 : x
  2. Step 2: Convert to fraction form
    1,158,887.48/1,738,580.36 = 390,461.55/x
  3. Step 3: Cross multiply
    1,158,887.48x = 1,738,580.36 × 390,461.55
  4. Step 4: Simplify right side
    1,158,887.48x = 678,848,777,353.75
  5. Step 5: Solve for x
    x = 678,848,777,353.75/1,158,887.48
  6. Step 6: Final answer
    x = 585,776.26

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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.