Home / 1,185,952.44-1,637,368.38-778,776.78

Finding the Fourth Proportional to 1,185,952.44, 1,637,368.38 and 778,776.78

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Solution

The fourth proportional to 1,185,952.44, 1,637,368.38 and 778,776.78 is: 1,075,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,952.44 : 1,637,368.38 = 778,776.78 : x
  2. Step 2: Convert to fraction form
    1,185,952.44/1,637,368.38 = 778,776.78/x
  3. Step 3: Cross multiply
    1,185,952.44x = 1,637,368.38 × 778,776.78
  4. Step 4: Simplify right side
    1,185,952.44x = 1,275,144,474,650.22
  5. Step 5: Solve for x
    x = 1,275,144,474,650.22/1,185,952.44
  6. Step 6: Final answer
    x = 1,075,207.09

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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.