Home / 1,287,000.30-1,776,026.52-706,221.63

Finding the Fourth Proportional to 1,287,000.30, 1,776,026.52 and 706,221.63

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Solution

The fourth proportional to 1,287,000.30, 1,776,026.52 and 706,221.63 is: 974,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,000.30 : 1,776,026.52 = 706,221.63 : x
  2. Step 2: Convert to fraction form
    1,287,000.30/1,776,026.52 = 706,221.63/x
  3. Step 3: Cross multiply
    1,287,000.30x = 1,776,026.52 × 706,221.63
  4. Step 4: Simplify right side
    1,287,000.30x = 1,254,268,343,877.63
  5. Step 5: Solve for x
    x = 1,254,268,343,877.63/1,287,000.30
  6. Step 6: Final answer
    x = 974,567.25

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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.