Home / 1,107,754.69-1,660,967.65-507,964.47

Finding the Fourth Proportional to 1,107,754.69, 1,660,967.65 and 507,964.47

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Solution

The fourth proportional to 1,107,754.69, 1,660,967.65 and 507,964.47 is: 761,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,754.69 : 1,660,967.65 = 507,964.47 : x
  2. Step 2: Convert to fraction form
    1,107,754.69/1,660,967.65 = 507,964.47/x
  3. Step 3: Cross multiply
    1,107,754.69x = 1,660,967.65 × 507,964.47
  4. Step 4: Simplify right side
    1,107,754.69x = 843,712,552,019.40
  5. Step 5: Solve for x
    x = 843,712,552,019.40/1,107,754.69
  6. Step 6: Final answer
    x = 761,642.05

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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.