Home / 912,011.80-1,368,017.70-885,767.80

Finding the Fourth Proportional to 912,011.80, 1,368,017.70 and 885,767.80

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Solution

The fourth proportional to 912,011.80, 1,368,017.70 and 885,767.80 is: 1,328,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,011.80 : 1,368,017.70 = 885,767.80 : x
  2. Step 2: Convert to fraction form
    912,011.80/1,368,017.70 = 885,767.80/x
  3. Step 3: Cross multiply
    912,011.80x = 1,368,017.70 × 885,767.80
  4. Step 4: Simplify right side
    912,011.80x = 1,211,746,028,490.06
  5. Step 5: Solve for x
    x = 1,211,746,028,490.06/912,011.80
  6. Step 6: Final answer
    x = 1,328,651.70

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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.