Home / 1,292,870.49-1,938,656.93-753,301.14

Finding the Fourth Proportional to 1,292,870.49, 1,938,656.93 and 753,301.14

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Solution

The fourth proportional to 1,292,870.49, 1,938,656.93 and 753,301.14 is: 1,129,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,870.49 : 1,938,656.93 = 753,301.14 : x
  2. Step 2: Convert to fraction form
    1,292,870.49/1,938,656.93 = 753,301.14/x
  3. Step 3: Cross multiply
    1,292,870.49x = 1,938,656.93 × 753,301.14
  4. Step 4: Simplify right side
    1,292,870.49x = 1,460,392,471,671.39
  5. Step 5: Solve for x
    x = 1,460,392,471,671.39/1,292,870.49
  6. Step 6: Final answer
    x = 1,129,573.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.