Home / 1,258,961.21-1,737,312.15-715,095.32

Finding the Fourth Proportional to 1,258,961.21, 1,737,312.15 and 715,095.32

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Solution

The fourth proportional to 1,258,961.21, 1,737,312.15 and 715,095.32 is: 986,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,961.21 : 1,737,312.15 = 715,095.32 : x
  2. Step 2: Convert to fraction form
    1,258,961.21/1,737,312.15 = 715,095.32/x
  3. Step 3: Cross multiply
    1,258,961.21x = 1,737,312.15 × 715,095.32
  4. Step 4: Simplify right side
    1,258,961.21x = 1,242,343,779,157.58
  5. Step 5: Solve for x
    x = 1,242,343,779,157.58/1,258,961.21
  6. Step 6: Final answer
    x = 986,800.68

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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.