Home / 1,142,461.87-1,703,478.90-1,111,073.63

Finding the Fourth Proportional to 1,142,461.87, 1,703,478.90 and 1,111,073.63

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Solution

The fourth proportional to 1,142,461.87, 1,703,478.90 and 1,111,073.63 is: 1,656,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,461.87 : 1,703,478.90 = 1,111,073.63 : x
  2. Step 2: Convert to fraction form
    1,142,461.87/1,703,478.90 = 1,111,073.63/x
  3. Step 3: Cross multiply
    1,142,461.87x = 1,703,478.90 × 1,111,073.63
  4. Step 4: Simplify right side
    1,142,461.87x = 1,892,690,483,754.74
  5. Step 5: Solve for x
    x = 1,892,690,483,754.74/1,142,461.87
  6. Step 6: Final answer
    x = 1,656,677.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.