Home / 1,108,894-1,663,090.16-509,278.75

Finding the Fourth Proportional to 1,108,894, 1,663,090.16 and 509,278.75

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Solution

The fourth proportional to 1,108,894, 1,663,090.16 and 509,278.75 is: 763,802.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894 : 1,663,090.16 = 509,278.75 : x
  2. Step 2: Convert to fraction form
    1,108,894/1,663,090.16 = 509,278.75/x
  3. Step 3: Cross multiply
    1,108,894x = 1,663,090.16 × 509,278.75
  4. Step 4: Simplify right side
    1,108,894x = 846,976,477,822.10
  5. Step 5: Solve for x
    x = 846,976,477,822.10/1,108,894
  6. Step 6: Final answer
    x = 763,802.92

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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.