Home / 1,447,040.47-1,996,980.38-802,417.36

Finding the Fourth Proportional to 1,447,040.47, 1,996,980.38 and 802,417.36

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Solution

The fourth proportional to 1,447,040.47, 1,996,980.38 and 802,417.36 is: 1,107,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,040.47 : 1,996,980.38 = 802,417.36 : x
  2. Step 2: Convert to fraction form
    1,447,040.47/1,996,980.38 = 802,417.36/x
  3. Step 3: Cross multiply
    1,447,040.47x = 1,996,980.38 × 802,417.36
  4. Step 4: Simplify right side
    1,447,040.47x = 1,602,411,724,491.40
  5. Step 5: Solve for x
    x = 1,602,411,724,491.40/1,447,040.47
  6. Step 6: Final answer
    x = 1,107,371.74

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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.