Home / 1,264,516.96-1,896,810-423,038.56

Finding the Fourth Proportional to 1,264,516.96, 1,896,810 and 423,038.56

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Solution

The fourth proportional to 1,264,516.96, 1,896,810 and 423,038.56 is: 634,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,516.96 : 1,896,810 = 423,038.56 : x
  2. Step 2: Convert to fraction form
    1,264,516.96/1,896,810 = 423,038.56/x
  3. Step 3: Cross multiply
    1,264,516.96x = 1,896,810 × 423,038.56
  4. Step 4: Simplify right side
    1,264,516.96x = 802,423,770,993.60
  5. Step 5: Solve for x
    x = 802,423,770,993.60/1,264,516.96
  6. Step 6: Final answer
    x = 634,569.40

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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.