Home / 1,404,769.47-1,938,581.86-760,189.66

Finding the Fourth Proportional to 1,404,769.47, 1,938,581.86 and 760,189.66

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Solution

The fourth proportional to 1,404,769.47, 1,938,581.86 and 760,189.66 is: 1,049,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,769.47 : 1,938,581.86 = 760,189.66 : x
  2. Step 2: Convert to fraction form
    1,404,769.47/1,938,581.86 = 760,189.66/x
  3. Step 3: Cross multiply
    1,404,769.47x = 1,938,581.86 × 760,189.66
  4. Step 4: Simplify right side
    1,404,769.47x = 1,473,689,875,342.66
  5. Step 5: Solve for x
    x = 1,473,689,875,342.66/1,404,769.47
  6. Step 6: Final answer
    x = 1,049,061.72

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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.