Home / 1,315,400.12-1,802,068.01-1,266,220.89

Finding the Fourth Proportional to 1,315,400.12, 1,802,068.01 and 1,266,220.89

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Solution

The fourth proportional to 1,315,400.12, 1,802,068.01 and 1,266,220.89 is: 1,734,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,400.12 : 1,802,068.01 = 1,266,220.89 : x
  2. Step 2: Convert to fraction form
    1,315,400.12/1,802,068.01 = 1,266,220.89/x
  3. Step 3: Cross multiply
    1,315,400.12x = 1,802,068.01 × 1,266,220.89
  4. Step 4: Simplify right side
    1,315,400.12x = 2,281,816,152,583.67
  5. Step 5: Solve for x
    x = 2,281,816,152,583.67/1,315,400.12
  6. Step 6: Final answer
    x = 1,734,693.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.