Home / 1,146,259.35-1,719,283.59-388,014.21

Finding the Fourth Proportional to 1,146,259.35, 1,719,283.59 and 388,014.21

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Solution

The fourth proportional to 1,146,259.35, 1,719,283.59 and 388,014.21 is: 581,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,259.35 : 1,719,283.59 = 388,014.21 : x
  2. Step 2: Convert to fraction form
    1,146,259.35/1,719,283.59 = 388,014.21/x
  3. Step 3: Cross multiply
    1,146,259.35x = 1,719,283.59 × 388,014.21
  4. Step 4: Simplify right side
    1,146,259.35x = 667,106,463,939.81
  5. Step 5: Solve for x
    x = 667,106,463,939.81/1,146,259.35
  6. Step 6: Final answer
    x = 581,985.62

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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.