Home / 1,034,319.78-1,426,922.73-631,678.50

Finding the Fourth Proportional to 1,034,319.78, 1,426,922.73 and 631,678.50

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Solution

The fourth proportional to 1,034,319.78, 1,426,922.73 and 631,678.50 is: 871,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,319.78 : 1,426,922.73 = 631,678.50 : x
  2. Step 2: Convert to fraction form
    1,034,319.78/1,426,922.73 = 631,678.50/x
  3. Step 3: Cross multiply
    1,034,319.78x = 1,426,922.73 × 631,678.50
  4. Step 4: Simplify right side
    1,034,319.78x = 901,356,409,702.31
  5. Step 5: Solve for x
    x = 901,356,409,702.31/1,034,319.78
  6. Step 6: Final answer
    x = 871,448.49

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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.