Home / 1,509,652.29-2,083,336.70-821,328.06

Finding the Fourth Proportional to 1,509,652.29, 2,083,336.70 and 821,328.06

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Solution

The fourth proportional to 1,509,652.29, 2,083,336.70 and 821,328.06 is: 1,133,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,652.29 : 2,083,336.70 = 821,328.06 : x
  2. Step 2: Convert to fraction form
    1,509,652.29/2,083,336.70 = 821,328.06/x
  3. Step 3: Cross multiply
    1,509,652.29x = 2,083,336.70 × 821,328.06
  4. Step 4: Simplify right side
    1,509,652.29x = 1,711,102,886,031.16
  5. Step 5: Solve for x
    x = 1,711,102,886,031.16/1,509,652.29
  6. Step 6: Final answer
    x = 1,133,441.72

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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.