Home / 1,293,534.98-1,938,831.08-786,979.42

Finding the Fourth Proportional to 1,293,534.98, 1,938,831.08 and 786,979.42

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Solution

The fourth proportional to 1,293,534.98, 1,938,831.08 and 786,979.42 is: 1,179,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,534.98 : 1,938,831.08 = 786,979.42 : x
  2. Step 2: Convert to fraction form
    1,293,534.98/1,938,831.08 = 786,979.42/x
  3. Step 3: Cross multiply
    1,293,534.98x = 1,938,831.08 × 786,979.42
  4. Step 4: Simplify right side
    1,293,534.98x = 1,525,820,158,816.37
  5. Step 5: Solve for x
    x = 1,525,820,158,816.37/1,293,534.98
  6. Step 6: Final answer
    x = 1,179,573.94

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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.