Home / 918,894.69-1,267,888.86-536,847.66

Finding the Fourth Proportional to 918,894.69, 1,267,888.86 and 536,847.66

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Solution

The fourth proportional to 918,894.69, 1,267,888.86 and 536,847.66 is: 740,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,894.69 : 1,267,888.86 = 536,847.66 : x
  2. Step 2: Convert to fraction form
    918,894.69/1,267,888.86 = 536,847.66/x
  3. Step 3: Cross multiply
    918,894.69x = 1,267,888.86 × 536,847.66
  4. Step 4: Simplify right side
    918,894.69x = 680,663,167,631.07
  5. Step 5: Solve for x
    x = 680,663,167,631.07/918,894.69
  6. Step 6: Final answer
    x = 740,741.21

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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.