Home / 1,362,001.80-2,043,002.70-520,444.20

Finding the Fourth Proportional to 1,362,001.80, 2,043,002.70 and 520,444.20

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Solution

The fourth proportional to 1,362,001.80, 2,043,002.70 and 520,444.20 is: 780,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,001.80 : 2,043,002.70 = 520,444.20 : x
  2. Step 2: Convert to fraction form
    1,362,001.80/2,043,002.70 = 520,444.20/x
  3. Step 3: Cross multiply
    1,362,001.80x = 2,043,002.70 × 520,444.20
  4. Step 4: Simplify right side
    1,362,001.80x = 1,063,268,905,799.34
  5. Step 5: Solve for x
    x = 1,063,268,905,799.34/1,362,001.80
  6. Step 6: Final answer
    x = 780,666.30

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1.5x scale

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.