Home / 1,296,009.72-1,788,494.54-723,050.06

Finding the Fourth Proportional to 1,296,009.72, 1,788,494.54 and 723,050.06

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Solution

The fourth proportional to 1,296,009.72, 1,788,494.54 and 723,050.06 is: 997,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,009.72 : 1,788,494.54 = 723,050.06 : x
  2. Step 2: Convert to fraction form
    1,296,009.72/1,788,494.54 = 723,050.06/x
  3. Step 3: Cross multiply
    1,296,009.72x = 1,788,494.54 × 723,050.06
  4. Step 4: Simplify right side
    1,296,009.72x = 1,293,171,071,898.95
  5. Step 5: Solve for x
    x = 1,293,171,071,898.95/1,296,009.72
  6. Step 6: Final answer
    x = 997,809.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.