Home / 1,417,270.69-2,127,134.40-743,827.78

Finding the Fourth Proportional to 1,417,270.69, 2,127,134.40 and 743,827.78

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Solution

The fourth proportional to 1,417,270.69, 2,127,134.40 and 743,827.78 is: 1,116,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,270.69 : 2,127,134.40 = 743,827.78 : x
  2. Step 2: Convert to fraction form
    1,417,270.69/2,127,134.40 = 743,827.78/x
  3. Step 3: Cross multiply
    1,417,270.69x = 2,127,134.40 × 743,827.78
  4. Step 4: Simplify right side
    1,417,270.69x = 1,582,221,658,513.63
  5. Step 5: Solve for x
    x = 1,582,221,658,513.63/1,417,270.69
  6. Step 6: Final answer
    x = 1,116,386.35

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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.