Home / 1,301,720.40-1,952,400.60-403,779.60

Finding the Fourth Proportional to 1,301,720.40, 1,952,400.60 and 403,779.60

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Solution

The fourth proportional to 1,301,720.40, 1,952,400.60 and 403,779.60 is: 605,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,720.40 : 1,952,400.60 = 403,779.60 : x
  2. Step 2: Convert to fraction form
    1,301,720.40/1,952,400.60 = 403,779.60/x
  3. Step 3: Cross multiply
    1,301,720.40x = 1,952,400.60 × 403,779.60
  4. Step 4: Simplify right side
    1,301,720.40x = 788,339,533,307.76
  5. Step 5: Solve for x
    x = 788,339,533,307.76/1,301,720.40
  6. Step 6: Final answer
    x = 605,613.57

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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.