Home / 1,374,518.63-1,896,749.25-830,332.28

Finding the Fourth Proportional to 1,374,518.63, 1,896,749.25 and 830,332.28

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Solution

The fourth proportional to 1,374,518.63, 1,896,749.25 and 830,332.28 is: 1,145,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,518.63 : 1,896,749.25 = 830,332.28 : x
  2. Step 2: Convert to fraction form
    1,374,518.63/1,896,749.25 = 830,332.28/x
  3. Step 3: Cross multiply
    1,374,518.63x = 1,896,749.25 × 830,332.28
  4. Step 4: Simplify right side
    1,374,518.63x = 1,574,932,129,340.79
  5. Step 5: Solve for x
    x = 1,574,932,129,340.79/1,374,518.63
  6. Step 6: Final answer
    x = 1,145,806.32

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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.