Home / 1,191,507.03-1,645,071.48-915,373.08

Finding the Fourth Proportional to 1,191,507.03, 1,645,071.48 and 915,373.08

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Solution

The fourth proportional to 1,191,507.03, 1,645,071.48 and 915,373.08 is: 1,263,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,507.03 : 1,645,071.48 = 915,373.08 : x
  2. Step 2: Convert to fraction form
    1,191,507.03/1,645,071.48 = 915,373.08/x
  3. Step 3: Cross multiply
    1,191,507.03x = 1,645,071.48 × 915,373.08
  4. Step 4: Simplify right side
    1,191,507.03x = 1,505,854,147,467.76
  5. Step 5: Solve for x
    x = 1,505,854,147,467.76/1,191,507.03
  6. Step 6: Final answer
    x = 1,263,823.13

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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.