Home / 940,441.21-1,298,206.01-634,931.28

Finding the Fourth Proportional to 940,441.21, 1,298,206.01 and 634,931.28

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Solution

The fourth proportional to 940,441.21, 1,298,206.01 and 634,931.28 is: 876,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,441.21 : 1,298,206.01 = 634,931.28 : x
  2. Step 2: Convert to fraction form
    940,441.21/1,298,206.01 = 634,931.28/x
  3. Step 3: Cross multiply
    940,441.21x = 1,298,206.01 × 634,931.28
  4. Step 4: Simplify right side
    940,441.21x = 824,271,605,220.32
  5. Step 5: Solve for x
    x = 824,271,605,220.32/940,441.21
  6. Step 6: Final answer
    x = 876,473.30

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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.