Home / 1,010,392.70-1,512,089.85-926,411.90

Finding the Fourth Proportional to 1,010,392.70, 1,512,089.85 and 926,411.90

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Solution

The fourth proportional to 1,010,392.70, 1,512,089.85 and 926,411.90 is: 1,386,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,392.70 : 1,512,089.85 = 926,411.90 : x
  2. Step 2: Convert to fraction form
    1,010,392.70/1,512,089.85 = 926,411.90/x
  3. Step 3: Cross multiply
    1,010,392.70x = 1,512,089.85 × 926,411.90
  4. Step 4: Simplify right side
    1,010,392.70x = 1,400,818,030,909.22
  5. Step 5: Solve for x
    x = 1,400,818,030,909.22/1,010,392.70
  6. Step 6: Final answer
    x = 1,386,409.49

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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.