Home / 1,154,307.24-1,731,460.86-312,858.98

Finding the Fourth Proportional to 1,154,307.24, 1,731,460.86 and 312,858.98

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Solution

The fourth proportional to 1,154,307.24, 1,731,460.86 and 312,858.98 is: 469,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,307.24 : 1,731,460.86 = 312,858.98 : x
  2. Step 2: Convert to fraction form
    1,154,307.24/1,731,460.86 = 312,858.98/x
  3. Step 3: Cross multiply
    1,154,307.24x = 1,731,460.86 × 312,858.98
  4. Step 4: Simplify right side
    1,154,307.24x = 541,703,078,569.52
  5. Step 5: Solve for x
    x = 541,703,078,569.52/1,154,307.24
  6. Step 6: Final answer
    x = 469,288.47

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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.