Home / 1,564,428-2,158,910.64-849,036

Finding the Fourth Proportional to 1,564,428, 2,158,910.64 and 849,036

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Solution

The fourth proportional to 1,564,428, 2,158,910.64 and 849,036 is: 1,171,669.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,428 : 2,158,910.64 = 849,036 : x
  2. Step 2: Convert to fraction form
    1,564,428/2,158,910.64 = 849,036/x
  3. Step 3: Cross multiply
    1,564,428x = 2,158,910.64 × 849,036
  4. Step 4: Simplify right side
    1,564,428x = 1,832,992,854,143.04
  5. Step 5: Solve for x
    x = 1,832,992,854,143.04/1,564,428
  6. Step 6: Final answer
    x = 1,171,669.68

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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.