Home / 1,507,665.76-2,080,596.24-828,603.36

Finding the Fourth Proportional to 1,507,665.76, 2,080,596.24 and 828,603.36

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Solution

The fourth proportional to 1,507,665.76, 2,080,596.24 and 828,603.36 is: 1,143,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,665.76 : 2,080,596.24 = 828,603.36 : x
  2. Step 2: Convert to fraction form
    1,507,665.76/2,080,596.24 = 828,603.36/x
  3. Step 3: Cross multiply
    1,507,665.76x = 2,080,596.24 × 828,603.36
  4. Step 4: Simplify right side
    1,507,665.76x = 1,723,989,035,267.37
  5. Step 5: Solve for x
    x = 1,723,989,035,267.37/1,507,665.76
  6. Step 6: Final answer
    x = 1,143,482.25

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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.