Home / 1,242,740.40-1,864,110.60-401,377.20

Finding the Fourth Proportional to 1,242,740.40, 1,864,110.60 and 401,377.20

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Solution

The fourth proportional to 1,242,740.40, 1,864,110.60 and 401,377.20 is: 602,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,740.40 : 1,864,110.60 = 401,377.20 : x
  2. Step 2: Convert to fraction form
    1,242,740.40/1,864,110.60 = 401,377.20/x
  3. Step 3: Cross multiply
    1,242,740.40x = 1,864,110.60 × 401,377.20
  4. Step 4: Simplify right side
    1,242,740.40x = 748,211,493,118.32
  5. Step 5: Solve for x
    x = 748,211,493,118.32/1,242,740.40
  6. Step 6: Final answer
    x = 602,065.80

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1.5x scale

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.