Home / 926,412.90-1,389,619.35-912,416.10

Finding the Fourth Proportional to 926,412.90, 1,389,619.35 and 912,416.10

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Solution

The fourth proportional to 926,412.90, 1,389,619.35 and 912,416.10 is: 1,368,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,412.90 : 1,389,619.35 = 912,416.10 : x
  2. Step 2: Convert to fraction form
    926,412.90/1,389,619.35 = 912,416.10/x
  3. Step 3: Cross multiply
    926,412.90x = 1,389,619.35 × 912,416.10
  4. Step 4: Simplify right side
    926,412.90x = 1,267,911,067,811.54
  5. Step 5: Solve for x
    x = 1,267,911,067,811.54/926,412.90
  6. Step 6: Final answer
    x = 1,368,624.15

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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.