Home / 1,374,530.12-1,896,946.28-770,957

Finding the Fourth Proportional to 1,374,530.12, 1,896,946.28 and 770,957

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Solution

The fourth proportional to 1,374,530.12, 1,896,946.28 and 770,957 is: 1,063,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,530.12 : 1,896,946.28 = 770,957 : x
  2. Step 2: Convert to fraction form
    1,374,530.12/1,896,946.28 = 770,957/x
  3. Step 3: Cross multiply
    1,374,530.12x = 1,896,946.28 × 770,957
  4. Step 4: Simplify right side
    1,374,530.12x = 1,462,464,013,189.96
  5. Step 5: Solve for x
    x = 1,462,464,013,189.96/1,374,530.12
  6. Step 6: Final answer
    x = 1,063,973.78

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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.