Home / 1,246,807.80-1,870,211.70-997,975.80

Finding the Fourth Proportional to 1,246,807.80, 1,870,211.70 and 997,975.80

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Solution

The fourth proportional to 1,246,807.80, 1,870,211.70 and 997,975.80 is: 1,496,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,807.80 : 1,870,211.70 = 997,975.80 : x
  2. Step 2: Convert to fraction form
    1,246,807.80/1,870,211.70 = 997,975.80/x
  3. Step 3: Cross multiply
    1,246,807.80x = 1,870,211.70 × 997,975.80
  4. Step 4: Simplify right side
    1,246,807.80x = 1,866,426,017,476.86
  5. Step 5: Solve for x
    x = 1,866,426,017,476.86/1,246,807.80
  6. Step 6: Final answer
    x = 1,496,963.70

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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.