Home / 1,994,208.40-2,990,729.40-714,667.60

Finding the Fourth Proportional to 1,994,208.40, 2,990,729.40 and 714,667.60

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Solution

The fourth proportional to 1,994,208.40, 2,990,729.40 and 714,667.60 is: 1,071,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,208.40 : 2,990,729.40 = 714,667.60 : x
  2. Step 2: Convert to fraction form
    1,994,208.40/2,990,729.40 = 714,667.60/x
  3. Step 3: Cross multiply
    1,994,208.40x = 2,990,729.40 × 714,667.60
  4. Step 4: Simplify right side
    1,994,208.40x = 2,137,377,402,547.44
  5. Step 5: Solve for x
    x = 2,137,377,402,547.44/1,994,208.40
  6. Step 6: Final answer
    x = 1,071,792.40

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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.