Home / 1,531,303-2,296,779.42-409,459.48

Finding the Fourth Proportional to 1,531,303, 2,296,779.42 and 409,459.48

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Solution

The fourth proportional to 1,531,303, 2,296,779.42 and 409,459.48 is: 614,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,303 : 2,296,779.42 = 409,459.48 : x
  2. Step 2: Convert to fraction form
    1,531,303/2,296,779.42 = 409,459.48/x
  3. Step 3: Cross multiply
    1,531,303x = 2,296,779.42 × 409,459.48
  4. Step 4: Simplify right side
    1,531,303x = 940,438,106,987.90
  5. Step 5: Solve for x
    x = 940,438,106,987.90/1,531,303
  6. Step 6: Final answer
    x = 614,142.40

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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.