Home / 1,328,313.34-1,832,746.32-776,943.28

Finding the Fourth Proportional to 1,328,313.34, 1,832,746.32 and 776,943.28

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Solution

The fourth proportional to 1,328,313.34, 1,832,746.32 and 776,943.28 is: 1,071,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,313.34 : 1,832,746.32 = 776,943.28 : x
  2. Step 2: Convert to fraction form
    1,328,313.34/1,832,746.32 = 776,943.28/x
  3. Step 3: Cross multiply
    1,328,313.34x = 1,832,746.32 × 776,943.28
  4. Step 4: Simplify right side
    1,328,313.34x = 1,423,939,937,268.73
  5. Step 5: Solve for x
    x = 1,423,939,937,268.73/1,328,313.34
  6. Step 6: Final answer
    x = 1,071,990.99

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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.