Home / 1,257,368.79-1,735,207.14-890,503.17

Finding the Fourth Proportional to 1,257,368.79, 1,735,207.14 and 890,503.17

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Solution

The fourth proportional to 1,257,368.79, 1,735,207.14 and 890,503.17 is: 1,228,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,368.79 : 1,735,207.14 = 890,503.17 : x
  2. Step 2: Convert to fraction form
    1,257,368.79/1,735,207.14 = 890,503.17/x
  3. Step 3: Cross multiply
    1,257,368.79x = 1,735,207.14 × 890,503.17
  4. Step 4: Simplify right side
    1,257,368.79x = 1,545,207,458,776.63
  5. Step 5: Solve for x
    x = 1,545,207,458,776.63/1,257,368.79
  6. Step 6: Final answer
    x = 1,228,921.44

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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.