Home / 1,427,071.15-2,140,316.26-528,299.24

Finding the Fourth Proportional to 1,427,071.15, 2,140,316.26 and 528,299.24

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Solution

The fourth proportional to 1,427,071.15, 2,140,316.26 and 528,299.24 is: 792,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,071.15 : 2,140,316.26 = 528,299.24 : x
  2. Step 2: Convert to fraction form
    1,427,071.15/2,140,316.26 = 528,299.24/x
  3. Step 3: Cross multiply
    1,427,071.15x = 2,140,316.26 × 528,299.24
  4. Step 4: Simplify right side
    1,427,071.15x = 1,130,727,450,858.14
  5. Step 5: Solve for x
    x = 1,130,727,450,858.14/1,427,071.15
  6. Step 6: Final answer
    x = 792,341.33

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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.