Home / 1,362,652.17-1,880,502.62-781,981.53

Finding the Fourth Proportional to 1,362,652.17, 1,880,502.62 and 781,981.53

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Solution

The fourth proportional to 1,362,652.17, 1,880,502.62 and 781,981.53 is: 1,079,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,652.17 : 1,880,502.62 = 781,981.53 : x
  2. Step 2: Convert to fraction form
    1,362,652.17/1,880,502.62 = 781,981.53/x
  3. Step 3: Cross multiply
    1,362,652.17x = 1,880,502.62 × 781,981.53
  4. Step 4: Simplify right side
    1,362,652.17x = 1,470,518,304,994.82
  5. Step 5: Solve for x
    x = 1,470,518,304,994.82/1,362,652.17
  6. Step 6: Final answer
    x = 1,079,158.97

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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.