Home / 1,209,002.94-1,668,424.02-665,127.02

Finding the Fourth Proportional to 1,209,002.94, 1,668,424.02 and 665,127.02

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Solution

The fourth proportional to 1,209,002.94, 1,668,424.02 and 665,127.02 is: 917,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,002.94 : 1,668,424.02 = 665,127.02 : x
  2. Step 2: Convert to fraction form
    1,209,002.94/1,668,424.02 = 665,127.02/x
  3. Step 3: Cross multiply
    1,209,002.94x = 1,668,424.02 × 665,127.02
  4. Step 4: Simplify right side
    1,209,002.94x = 1,109,713,896,519.02
  5. Step 5: Solve for x
    x = 1,109,713,896,519.02/1,209,002.94
  6. Step 6: Final answer
    x = 917,875.27

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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.