Home / 1,158,742.16-1,599,035.53-642,498.08

Finding the Fourth Proportional to 1,158,742.16, 1,599,035.53 and 642,498.08

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Solution

The fourth proportional to 1,158,742.16, 1,599,035.53 and 642,498.08 is: 886,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,742.16 : 1,599,035.53 = 642,498.08 : x
  2. Step 2: Convert to fraction form
    1,158,742.16/1,599,035.53 = 642,498.08/x
  3. Step 3: Cross multiply
    1,158,742.16x = 1,599,035.53 × 642,498.08
  4. Step 4: Simplify right side
    1,158,742.16x = 1,027,377,249,480.04
  5. Step 5: Solve for x
    x = 1,027,377,249,480.04/1,158,742.16
  6. Step 6: Final answer
    x = 886,631.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.