Home / 1,686,607.32-2,530,742.07-788,111.16

Finding the Fourth Proportional to 1,686,607.32, 2,530,742.07 and 788,111.16

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Solution

The fourth proportional to 1,686,607.32, 2,530,742.07 and 788,111.16 is: 1,182,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,607.32 : 2,530,742.07 = 788,111.16 : x
  2. Step 2: Convert to fraction form
    1,686,607.32/2,530,742.07 = 788,111.16/x
  3. Step 3: Cross multiply
    1,686,607.32x = 2,530,742.07 × 788,111.16
  4. Step 4: Simplify right side
    1,686,607.32x = 1,994,506,068,448.50
  5. Step 5: Solve for x
    x = 1,994,506,068,448.50/1,686,607.32
  6. Step 6: Final answer
    x = 1,182,555.09

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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.