Home / 1,518,428.61-2,277,333.09-558,554.31

Finding the Fourth Proportional to 1,518,428.61, 2,277,333.09 and 558,554.31

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Solution

The fourth proportional to 1,518,428.61, 2,277,333.09 and 558,554.31 is: 837,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,428.61 : 2,277,333.09 = 558,554.31 : x
  2. Step 2: Convert to fraction form
    1,518,428.61/2,277,333.09 = 558,554.31/x
  3. Step 3: Cross multiply
    1,518,428.61x = 2,277,333.09 × 558,554.31
  4. Step 4: Simplify right side
    1,518,428.61x = 1,272,014,212,725.12
  5. Step 5: Solve for x
    x = 1,272,014,212,725.12/1,518,428.61
  6. Step 6: Final answer
    x = 837,717.50

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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.