Home / 1,433,225.34-1,977,932.80-821,480.00

Finding the Fourth Proportional to 1,433,225.34, 1,977,932.80 and 821,480.00

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Solution

The fourth proportional to 1,433,225.34, 1,977,932.80 and 821,480.00 is: 1,133,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,225.34 : 1,977,932.80 = 821,480.00 : x
  2. Step 2: Convert to fraction form
    1,433,225.34/1,977,932.80 = 821,480.00/x
  3. Step 3: Cross multiply
    1,433,225.34x = 1,977,932.80 × 821,480.00
  4. Step 4: Simplify right side
    1,433,225.34x = 1,624,832,238,807.06
  5. Step 5: Solve for x
    x = 1,624,832,238,807.06/1,433,225.34
  6. Step 6: Final answer
    x = 1,133,689.30

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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.