Home / 1,018,772.40-1,405,823.60-589,080.36

Finding the Fourth Proportional to 1,018,772.40, 1,405,823.60 and 589,080.36

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Solution

The fourth proportional to 1,018,772.40, 1,405,823.60 and 589,080.36 is: 812,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,772.40 : 1,405,823.60 = 589,080.36 : x
  2. Step 2: Convert to fraction form
    1,018,772.40/1,405,823.60 = 589,080.36/x
  3. Step 3: Cross multiply
    1,018,772.40x = 1,405,823.60 × 589,080.36
  4. Step 4: Simplify right side
    1,018,772.40x = 828,143,072,384.50
  5. Step 5: Solve for x
    x = 828,143,072,384.50/1,018,772.40
  6. Step 6: Final answer
    x = 812,883.30

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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.