Home / 1,218,476.65-1,681,674.87-702,130.05

Finding the Fourth Proportional to 1,218,476.65, 1,681,674.87 and 702,130.05

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Solution

The fourth proportional to 1,218,476.65, 1,681,674.87 and 702,130.05 is: 969,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,476.65 : 1,681,674.87 = 702,130.05 : x
  2. Step 2: Convert to fraction form
    1,218,476.65/1,681,674.87 = 702,130.05/x
  3. Step 3: Cross multiply
    1,218,476.65x = 1,681,674.87 × 702,130.05
  4. Step 4: Simplify right side
    1,218,476.65x = 1,180,754,454,510.64
  5. Step 5: Solve for x
    x = 1,180,754,454,510.64/1,218,476.65
  6. Step 6: Final answer
    x = 969,041.51

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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.