Home / 909,840.09-1,362,064.45-674,240.25

Finding the Fourth Proportional to 909,840.09, 1,362,064.45 and 674,240.25

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Solution

The fourth proportional to 909,840.09, 1,362,064.45 and 674,240.25 is: 1,009,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,840.09 : 1,362,064.45 = 674,240.25 : x
  2. Step 2: Convert to fraction form
    909,840.09/1,362,064.45 = 674,240.25/x
  3. Step 3: Cross multiply
    909,840.09x = 1,362,064.45 × 674,240.25
  4. Step 4: Simplify right side
    909,840.09x = 918,358,675,284.11
  5. Step 5: Solve for x
    x = 918,358,675,284.11/909,840.09
  6. Step 6: Final answer
    x = 1,009,362.73

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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.