Home / 1,241,695.65-1,866,128.42-1,155,490.93

Finding the Fourth Proportional to 1,241,695.65, 1,866,128.42 and 1,155,490.93

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Solution

The fourth proportional to 1,241,695.65, 1,866,128.42 and 1,155,490.93 is: 1,736,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,695.65 : 1,866,128.42 = 1,155,490.93 : x
  2. Step 2: Convert to fraction form
    1,241,695.65/1,866,128.42 = 1,155,490.93/x
  3. Step 3: Cross multiply
    1,241,695.65x = 1,866,128.42 × 1,155,490.93
  4. Step 4: Simplify right side
    1,241,695.65x = 2,156,294,463,525.23
  5. Step 5: Solve for x
    x = 2,156,294,463,525.23/1,241,695.65
  6. Step 6: Final answer
    x = 1,736,572.46

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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.