Home / 1,599,990.40-2,400,011.20-418,038.40

Finding the Fourth Proportional to 1,599,990.40, 2,400,011.20 and 418,038.40

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Solution

The fourth proportional to 1,599,990.40, 2,400,011.20 and 418,038.40 is: 627,064.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,990.40 : 2,400,011.20 = 418,038.40 : x
  2. Step 2: Convert to fraction form
    1,599,990.40/2,400,011.20 = 418,038.40/x
  3. Step 3: Cross multiply
    1,599,990.40x = 2,400,011.20 × 418,038.40
  4. Step 4: Simplify right side
    1,599,990.40x = 1,003,296,842,030.08
  5. Step 5: Solve for x
    x = 1,003,296,842,030.08/1,599,990.40
  6. Step 6: Final answer
    x = 627,064.29

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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.