Home / 1,312,674.51-1,968,556.34-459,727.34

Finding the Fourth Proportional to 1,312,674.51, 1,968,556.34 and 459,727.34

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Solution

The fourth proportional to 1,312,674.51, 1,968,556.34 and 459,727.34 is: 689,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,674.51 : 1,968,556.34 = 459,727.34 : x
  2. Step 2: Convert to fraction form
    1,312,674.51/1,968,556.34 = 459,727.34/x
  3. Step 3: Cross multiply
    1,312,674.51x = 1,968,556.34 × 459,727.34
  4. Step 4: Simplify right side
    1,312,674.51x = 904,999,157,686.92
  5. Step 5: Solve for x
    x = 904,999,157,686.92/1,312,674.51
  6. Step 6: Final answer
    x = 689,431.50

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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.