Home / 1,148,606.12-1,585,167.98-665,179.90

Finding the Fourth Proportional to 1,148,606.12, 1,585,167.98 and 665,179.90

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Solution

The fourth proportional to 1,148,606.12, 1,585,167.98 and 665,179.90 is: 918,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,606.12 : 1,585,167.98 = 665,179.90 : x
  2. Step 2: Convert to fraction form
    1,148,606.12/1,585,167.98 = 665,179.90/x
  3. Step 3: Cross multiply
    1,148,606.12x = 1,585,167.98 × 665,179.90
  4. Step 4: Simplify right side
    1,148,606.12x = 1,054,421,871,130.78
  5. Step 5: Solve for x
    x = 1,054,421,871,130.78/1,148,606.12
  6. Step 6: Final answer
    x = 918,001.26

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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.