Home / 1,276,080.19-1,915,004.31-507,499.13

Finding the Fourth Proportional to 1,276,080.19, 1,915,004.31 and 507,499.13

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Solution

The fourth proportional to 1,276,080.19, 1,915,004.31 and 507,499.13 is: 761,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,080.19 : 1,915,004.31 = 507,499.13 : x
  2. Step 2: Convert to fraction form
    1,276,080.19/1,915,004.31 = 507,499.13/x
  3. Step 3: Cross multiply
    1,276,080.19x = 1,915,004.31 × 507,499.13
  4. Step 4: Simplify right side
    1,276,080.19x = 971,863,018,733.76
  5. Step 5: Solve for x
    x = 971,863,018,733.76/1,276,080.19
  6. Step 6: Final answer
    x = 761,600.27

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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.