Home / 943,161-1,298,679.90-710,925.32

Finding the Fourth Proportional to 943,161, 1,298,679.90 and 710,925.32

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Solution

The fourth proportional to 943,161, 1,298,679.90 and 710,925.32 is: 978,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,161 : 1,298,679.90 = 710,925.32 : x
  2. Step 2: Convert to fraction form
    943,161/1,298,679.90 = 710,925.32/x
  3. Step 3: Cross multiply
    943,161x = 1,298,679.90 × 710,925.32
  4. Step 4: Simplify right side
    943,161x = 923,264,423,485.07
  5. Step 5: Solve for x
    x = 923,264,423,485.07/943,161
  6. Step 6: Final answer
    x = 978,904.37

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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.