Home / 1,407,543.51-2,110,050.99-687,477.81

Finding the Fourth Proportional to 1,407,543.51, 2,110,050.99 and 687,477.81

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Solution

The fourth proportional to 1,407,543.51, 2,110,050.99 and 687,477.81 is: 1,030,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,543.51 : 2,110,050.99 = 687,477.81 : x
  2. Step 2: Convert to fraction form
    1,407,543.51/2,110,050.99 = 687,477.81/x
  3. Step 3: Cross multiply
    1,407,543.51x = 2,110,050.99 × 687,477.81
  4. Step 4: Simplify right side
    1,407,543.51x = 1,450,613,233,593.53
  5. Step 5: Solve for x
    x = 1,450,613,233,593.53/1,407,543.51
  6. Step 6: Final answer
    x = 1,030,599.21

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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.