Home / 1,038,419.52-1,433,037.60-609,009.36

Finding the Fourth Proportional to 1,038,419.52, 1,433,037.60 and 609,009.36

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Solution

The fourth proportional to 1,038,419.52, 1,433,037.60 and 609,009.36 is: 840,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,419.52 : 1,433,037.60 = 609,009.36 : x
  2. Step 2: Convert to fraction form
    1,038,419.52/1,433,037.60 = 609,009.36/x
  3. Step 3: Cross multiply
    1,038,419.52x = 1,433,037.60 × 609,009.36
  4. Step 4: Simplify right side
    1,038,419.52x = 872,733,311,631.94
  5. Step 5: Solve for x
    x = 872,733,311,631.94/1,038,419.52
  6. Step 6: Final answer
    x = 840,443.86

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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.