Home / 1,821,315.80-2,731,973.70-559,141.40

Finding the Fourth Proportional to 1,821,315.80, 2,731,973.70 and 559,141.40

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Solution

The fourth proportional to 1,821,315.80, 2,731,973.70 and 559,141.40 is: 838,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,315.80 : 2,731,973.70 = 559,141.40 : x
  2. Step 2: Convert to fraction form
    1,821,315.80/2,731,973.70 = 559,141.40/x
  3. Step 3: Cross multiply
    1,821,315.80x = 2,731,973.70 × 559,141.40
  4. Step 4: Simplify right side
    1,821,315.80x = 1,527,559,599,381.18
  5. Step 5: Solve for x
    x = 1,527,559,599,381.18/1,821,315.80
  6. Step 6: Final answer
    x = 838,712.10

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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.