Home / 1,090,841.40-1,634,293.80-964,870.20

Finding the Fourth Proportional to 1,090,841.40, 1,634,293.80 and 964,870.20

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Solution

The fourth proportional to 1,090,841.40, 1,634,293.80 and 964,870.20 is: 1,445,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,841.40 : 1,634,293.80 = 964,870.20 : x
  2. Step 2: Convert to fraction form
    1,090,841.40/1,634,293.80 = 964,870.20/x
  3. Step 3: Cross multiply
    1,090,841.40x = 1,634,293.80 × 964,870.20
  4. Step 4: Simplify right side
    1,090,841.40x = 1,576,881,385,664.76
  5. Step 5: Solve for x
    x = 1,576,881,385,664.76/1,090,841.40
  6. Step 6: Final answer
    x = 1,445,564.30

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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.