Home / 1,252,572.31-1,728,547.64-679,612.33

Finding the Fourth Proportional to 1,252,572.31, 1,728,547.64 and 679,612.33

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Solution

The fourth proportional to 1,252,572.31, 1,728,547.64 and 679,612.33 is: 937,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,572.31 : 1,728,547.64 = 679,612.33 : x
  2. Step 2: Convert to fraction form
    1,252,572.31/1,728,547.64 = 679,612.33/x
  3. Step 3: Cross multiply
    1,252,572.31x = 1,728,547.64 × 679,612.33
  4. Step 4: Simplify right side
    1,252,572.31x = 1,174,742,289,136.40
  5. Step 5: Solve for x
    x = 1,174,742,289,136.40/1,252,572.31
  6. Step 6: Final answer
    x = 937,863.85

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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.