Home / 1,385,024.40-2,077,536.60-387,752.40

Finding the Fourth Proportional to 1,385,024.40, 2,077,536.60 and 387,752.40

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Solution

The fourth proportional to 1,385,024.40, 2,077,536.60 and 387,752.40 is: 581,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,024.40 : 2,077,536.60 = 387,752.40 : x
  2. Step 2: Convert to fraction form
    1,385,024.40/2,077,536.60 = 387,752.40/x
  3. Step 3: Cross multiply
    1,385,024.40x = 2,077,536.60 × 387,752.40
  4. Step 4: Simplify right side
    1,385,024.40x = 805,569,802,737.84
  5. Step 5: Solve for x
    x = 805,569,802,737.84/1,385,024.40
  6. Step 6: Final answer
    x = 581,628.60

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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.