Home / 1,258,442.40-1,886,916.96-499,875.96

Finding the Fourth Proportional to 1,258,442.40, 1,886,916.96 and 499,875.96

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Solution

The fourth proportional to 1,258,442.40, 1,886,916.96 and 499,875.96 is: 749,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,442.40 : 1,886,916.96 = 499,875.96 : x
  2. Step 2: Convert to fraction form
    1,258,442.40/1,886,916.96 = 499,875.96/x
  3. Step 3: Cross multiply
    1,258,442.40x = 1,886,916.96 × 499,875.96
  4. Step 4: Simplify right side
    1,258,442.40x = 943,224,426,820.28
  5. Step 5: Solve for x
    x = 943,224,426,820.28/1,258,442.40
  6. Step 6: Final answer
    x = 749,517.36

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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.