Home / 1,242,242.70-1,859,427.45-887,948.70

Finding the Fourth Proportional to 1,242,242.70, 1,859,427.45 and 887,948.70

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Solution

The fourth proportional to 1,242,242.70, 1,859,427.45 and 887,948.70 is: 1,329,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,242.70 : 1,859,427.45 = 887,948.70 : x
  2. Step 2: Convert to fraction form
    1,242,242.70/1,859,427.45 = 887,948.70/x
  3. Step 3: Cross multiply
    1,242,242.70x = 1,859,427.45 × 887,948.70
  4. Step 4: Simplify right side
    1,242,242.70x = 1,651,076,186,971.82
  5. Step 5: Solve for x
    x = 1,651,076,186,971.82/1,242,242.70
  6. Step 6: Final answer
    x = 1,329,109.19

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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.