Home / 918,790.61-1,267,829.57-551,248.25

Finding the Fourth Proportional to 918,790.61, 1,267,829.57 and 551,248.25

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Solution

The fourth proportional to 918,790.61, 1,267,829.57 and 551,248.25 is: 760,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,790.61 : 1,267,829.57 = 551,248.25 : x
  2. Step 2: Convert to fraction form
    918,790.61/1,267,829.57 = 551,248.25/x
  3. Step 3: Cross multiply
    918,790.61x = 1,267,829.57 × 551,248.25
  4. Step 4: Simplify right side
    918,790.61x = 698,888,829,004.51
  5. Step 5: Solve for x
    x = 698,888,829,004.51/918,790.61
  6. Step 6: Final answer
    x = 760,661.70

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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.