Home / 1,312,159.42-1,810,786.47-739,208.62

Finding the Fourth Proportional to 1,312,159.42, 1,810,786.47 and 739,208.62

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Solution

The fourth proportional to 1,312,159.42, 1,810,786.47 and 739,208.62 is: 1,020,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,159.42 : 1,810,786.47 = 739,208.62 : x
  2. Step 2: Convert to fraction form
    1,312,159.42/1,810,786.47 = 739,208.62/x
  3. Step 3: Cross multiply
    1,312,159.42x = 1,810,786.47 × 739,208.62
  4. Step 4: Simplify right side
    1,312,159.42x = 1,338,548,967,603.37
  5. Step 5: Solve for x
    x = 1,338,548,967,603.37/1,312,159.42
  6. Step 6: Final answer
    x = 1,020,111.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.