Home / 1,152,126.63-1,728,036.18-342,495.87

Finding the Fourth Proportional to 1,152,126.63, 1,728,036.18 and 342,495.87

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Solution

The fourth proportional to 1,152,126.63, 1,728,036.18 and 342,495.87 is: 513,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,126.63 : 1,728,036.18 = 342,495.87 : x
  2. Step 2: Convert to fraction form
    1,152,126.63/1,728,036.18 = 342,495.87/x
  3. Step 3: Cross multiply
    1,152,126.63x = 1,728,036.18 × 342,495.87
  4. Step 4: Simplify right side
    1,152,126.63x = 591,845,254,860.58
  5. Step 5: Solve for x
    x = 591,845,254,860.58/1,152,126.63
  6. Step 6: Final answer
    x = 513,698.09

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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.