Home / 1,010,392.20-1,512,089.10-926,411.40

Finding the Fourth Proportional to 1,010,392.20, 1,512,089.10 and 926,411.40

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Solution

The fourth proportional to 1,010,392.20, 1,512,089.10 and 926,411.40 is: 1,386,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,392.20 : 1,512,089.10 = 926,411.40 : x
  2. Step 2: Convert to fraction form
    1,010,392.20/1,512,089.10 = 926,411.40/x
  3. Step 3: Cross multiply
    1,010,392.20x = 1,512,089.10 × 926,411.40
  4. Step 4: Simplify right side
    1,010,392.20x = 1,400,816,580,055.74
  5. Step 5: Solve for x
    x = 1,400,816,580,055.74/1,010,392.20
  6. Step 6: Final answer
    x = 1,386,408.74

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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.