Home / 1,381,718.04-1,906,783.70-761,545.32

Finding the Fourth Proportional to 1,381,718.04, 1,906,783.70 and 761,545.32

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Solution

The fourth proportional to 1,381,718.04, 1,906,783.70 and 761,545.32 is: 1,050,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,718.04 : 1,906,783.70 = 761,545.32 : x
  2. Step 2: Convert to fraction form
    1,381,718.04/1,906,783.70 = 761,545.32/x
  3. Step 3: Cross multiply
    1,381,718.04x = 1,906,783.70 × 761,545.32
  4. Step 4: Simplify right side
    1,381,718.04x = 1,452,102,202,987.28
  5. Step 5: Solve for x
    x = 1,452,102,202,987.28/1,381,718.04
  6. Step 6: Final answer
    x = 1,050,939.60

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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.