Home / 1,326,453.89-1,990,101.39-473,507.26

Finding the Fourth Proportional to 1,326,453.89, 1,990,101.39 and 473,507.26

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Solution

The fourth proportional to 1,326,453.89, 1,990,101.39 and 473,507.26 is: 710,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,453.89 : 1,990,101.39 = 473,507.26 : x
  2. Step 2: Convert to fraction form
    1,326,453.89/1,990,101.39 = 473,507.26/x
  3. Step 3: Cross multiply
    1,326,453.89x = 1,990,101.39 × 473,507.26
  4. Step 4: Simplify right side
    1,326,453.89x = 942,327,448,749.19
  5. Step 5: Solve for x
    x = 942,327,448,749.19/1,326,453.89
  6. Step 6: Final answer
    x = 710,411.01

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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.