Home / 1,312,087.20-1,810,698.54-731,294.24

Finding the Fourth Proportional to 1,312,087.20, 1,810,698.54 and 731,294.24

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Solution

The fourth proportional to 1,312,087.20, 1,810,698.54 and 731,294.24 is: 1,009,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,087.20 : 1,810,698.54 = 731,294.24 : x
  2. Step 2: Convert to fraction form
    1,312,087.20/1,810,698.54 = 731,294.24/x
  3. Step 3: Cross multiply
    1,312,087.20x = 1,810,698.54 × 731,294.24
  4. Step 4: Simplify right side
    1,312,087.20x = 1,324,153,412,678.41
  5. Step 5: Solve for x
    x = 1,324,153,412,678.41/1,312,087.20
  6. Step 6: Final answer
    x = 1,009,196.20

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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.