Home / 1,249,288.30-1,724,015.71-676,328.32

Finding the Fourth Proportional to 1,249,288.30, 1,724,015.71 and 676,328.32

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Solution

The fourth proportional to 1,249,288.30, 1,724,015.71 and 676,328.32 is: 933,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,288.30 : 1,724,015.71 = 676,328.32 : x
  2. Step 2: Convert to fraction form
    1,249,288.30/1,724,015.71 = 676,328.32/x
  3. Step 3: Cross multiply
    1,249,288.30x = 1,724,015.71 × 676,328.32
  4. Step 4: Simplify right side
    1,249,288.30x = 1,166,000,648,797.91
  5. Step 5: Solve for x
    x = 1,166,000,648,797.91/1,249,288.30
  6. Step 6: Final answer
    x = 933,331.92

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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.