Home / 1,383,909.80-2,075,864.70-849,698.60

Finding the Fourth Proportional to 1,383,909.80, 2,075,864.70 and 849,698.60

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Solution

The fourth proportional to 1,383,909.80, 2,075,864.70 and 849,698.60 is: 1,274,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,909.80 : 2,075,864.70 = 849,698.60 : x
  2. Step 2: Convert to fraction form
    1,383,909.80/2,075,864.70 = 849,698.60/x
  3. Step 3: Cross multiply
    1,383,909.80x = 2,075,864.70 × 849,698.60
  4. Step 4: Simplify right side
    1,383,909.80x = 1,763,859,329,379.42
  5. Step 5: Solve for x
    x = 1,763,859,329,379.42/1,383,909.80
  6. Step 6: Final answer
    x = 1,274,547.90

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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.