Home / 1,501,705.58-2,072,337.20-813,360.32

Finding the Fourth Proportional to 1,501,705.58, 2,072,337.20 and 813,360.32

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Solution

The fourth proportional to 1,501,705.58, 2,072,337.20 and 813,360.32 is: 1,122,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,705.58 : 2,072,337.20 = 813,360.32 : x
  2. Step 2: Convert to fraction form
    1,501,705.58/2,072,337.20 = 813,360.32/x
  3. Step 3: Cross multiply
    1,501,705.58x = 2,072,337.20 × 813,360.32
  4. Step 4: Simplify right side
    1,501,705.58x = 1,685,556,848,139.90
  5. Step 5: Solve for x
    x = 1,685,556,848,139.90/1,501,705.58
  6. Step 6: Final answer
    x = 1,122,428.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.