Home / 1,174,267.80-1,620,462.09-690,864.06

Finding the Fourth Proportional to 1,174,267.80, 1,620,462.09 and 690,864.06

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Solution

The fourth proportional to 1,174,267.80, 1,620,462.09 and 690,864.06 is: 953,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,267.80 : 1,620,462.09 = 690,864.06 : x
  2. Step 2: Convert to fraction form
    1,174,267.80/1,620,462.09 = 690,864.06/x
  3. Step 3: Cross multiply
    1,174,267.80x = 1,620,462.09 × 690,864.06
  4. Step 4: Simplify right side
    1,174,267.80x = 1,119,519,018,573.49
  5. Step 5: Solve for x
    x = 1,119,519,018,573.49/1,174,267.80
  6. Step 6: Final answer
    x = 953,376.24

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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.