Home / 1,164,381.40-1,746,572.10-978,377.05

Finding the Fourth Proportional to 1,164,381.40, 1,746,572.10 and 978,377.05

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Solution

The fourth proportional to 1,164,381.40, 1,746,572.10 and 978,377.05 is: 1,467,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,381.40 : 1,746,572.10 = 978,377.05 : x
  2. Step 2: Convert to fraction form
    1,164,381.40/1,746,572.10 = 978,377.05/x
  3. Step 3: Cross multiply
    1,164,381.40x = 1,746,572.10 × 978,377.05
  4. Step 4: Simplify right side
    1,164,381.40x = 1,708,806,058,810.31
  5. Step 5: Solve for x
    x = 1,708,806,058,810.31/1,164,381.40
  6. Step 6: Final answer
    x = 1,467,565.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.