Home / 1,212,304.92-1,818,598.07-402,761.58

Finding the Fourth Proportional to 1,212,304.92, 1,818,598.07 and 402,761.58

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Solution

The fourth proportional to 1,212,304.92, 1,818,598.07 and 402,761.58 is: 604,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,304.92 : 1,818,598.07 = 402,761.58 : x
  2. Step 2: Convert to fraction form
    1,212,304.92/1,818,598.07 = 402,761.58/x
  3. Step 3: Cross multiply
    1,212,304.92x = 1,818,598.07 × 402,761.58
  4. Step 4: Simplify right side
    1,212,304.92x = 732,461,430,044.34
  5. Step 5: Solve for x
    x = 732,461,430,044.34/1,212,304.92
  6. Step 6: Final answer
    x = 604,189.11

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1.5x scale

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.