Home / 1,267,064.61-1,748,112.08-722,807.79

Finding the Fourth Proportional to 1,267,064.61, 1,748,112.08 and 722,807.79

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Solution

The fourth proportional to 1,267,064.61, 1,748,112.08 and 722,807.79 is: 997,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,064.61 : 1,748,112.08 = 722,807.79 : x
  2. Step 2: Convert to fraction form
    1,267,064.61/1,748,112.08 = 722,807.79/x
  3. Step 3: Cross multiply
    1,267,064.61x = 1,748,112.08 × 722,807.79
  4. Step 4: Simplify right side
    1,267,064.61x = 1,263,549,025,603.06
  5. Step 5: Solve for x
    x = 1,263,549,025,603.06/1,267,064.61
  6. Step 6: Final answer
    x = 997,225.41

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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.