Home / 1,122,971.82-1,549,261.47-692,504.70

Finding the Fourth Proportional to 1,122,971.82, 1,549,261.47 and 692,504.70

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Solution

The fourth proportional to 1,122,971.82, 1,549,261.47 and 692,504.70 is: 955,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,971.82 : 1,549,261.47 = 692,504.70 : x
  2. Step 2: Convert to fraction form
    1,122,971.82/1,549,261.47 = 692,504.70/x
  3. Step 3: Cross multiply
    1,122,971.82x = 1,549,261.47 × 692,504.70
  4. Step 4: Simplify right side
    1,122,971.82x = 1,072,870,849,503.91
  5. Step 5: Solve for x
    x = 1,072,870,849,503.91/1,122,971.82
  6. Step 6: Final answer
    x = 955,385.37

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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.