Home / 1,221,395.10-1,832,071.05-501,580.86

Finding the Fourth Proportional to 1,221,395.10, 1,832,071.05 and 501,580.86

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Solution

The fourth proportional to 1,221,395.10, 1,832,071.05 and 501,580.86 is: 752,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,395.10 : 1,832,071.05 = 501,580.86 : x
  2. Step 2: Convert to fraction form
    1,221,395.10/1,832,071.05 = 501,580.86/x
  3. Step 3: Cross multiply
    1,221,395.10x = 1,832,071.05 × 501,580.86
  4. Step 4: Simplify right side
    1,221,395.10x = 918,931,772,840.10
  5. Step 5: Solve for x
    x = 918,931,772,840.10/1,221,395.10
  6. Step 6: Final answer
    x = 752,362.42

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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.