Home / 1,158,852.86-1,599,220.50-642,643.10

Finding the Fourth Proportional to 1,158,852.86, 1,599,220.50 and 642,643.10

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Solution

The fourth proportional to 1,158,852.86, 1,599,220.50 and 642,643.10 is: 886,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,852.86 : 1,599,220.50 = 642,643.10 : x
  2. Step 2: Convert to fraction form
    1,158,852.86/1,599,220.50 = 642,643.10/x
  3. Step 3: Cross multiply
    1,158,852.86x = 1,599,220.50 × 642,643.10
  4. Step 4: Simplify right side
    1,158,852.86x = 1,027,728,019,703.55
  5. Step 5: Solve for x
    x = 1,027,728,019,703.55/1,158,852.86
  6. Step 6: Final answer
    x = 886,849.45

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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.