Home / 1,384,359.40-2,075,003.10-542,631.40

Finding the Fourth Proportional to 1,384,359.40, 2,075,003.10 and 542,631.40

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Solution

The fourth proportional to 1,384,359.40, 2,075,003.10 and 542,631.40 is: 813,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,359.40 : 2,075,003.10 = 542,631.40 : x
  2. Step 2: Convert to fraction form
    1,384,359.40/2,075,003.10 = 542,631.40/x
  3. Step 3: Cross multiply
    1,384,359.40x = 2,075,003.10 × 542,631.40
  4. Step 4: Simplify right side
    1,384,359.40x = 1,125,961,837,157.34
  5. Step 5: Solve for x
    x = 1,125,961,837,157.34/1,384,359.40
  6. Step 6: Final answer
    x = 813,345.03

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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.