Home / 1,318,969.95-1,820,178.68-745,997.95

Finding the Fourth Proportional to 1,318,969.95, 1,820,178.68 and 745,997.95

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Solution

The fourth proportional to 1,318,969.95, 1,820,178.68 and 745,997.95 is: 1,029,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,969.95 : 1,820,178.68 = 745,997.95 : x
  2. Step 2: Convert to fraction form
    1,318,969.95/1,820,178.68 = 745,997.95/x
  3. Step 3: Cross multiply
    1,318,969.95x = 1,820,178.68 × 745,997.95
  4. Step 4: Simplify right side
    1,318,969.95x = 1,357,849,563,913.71
  5. Step 5: Solve for x
    x = 1,357,849,563,913.71/1,318,969.95
  6. Step 6: Final answer
    x = 1,029,477.26

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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.