Home / 1,308,407.04-1,961,447.04-509,502.72

Finding the Fourth Proportional to 1,308,407.04, 1,961,447.04 and 509,502.72

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Solution

The fourth proportional to 1,308,407.04, 1,961,447.04 and 509,502.72 is: 763,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,407.04 : 1,961,447.04 = 509,502.72 : x
  2. Step 2: Convert to fraction form
    1,308,407.04/1,961,447.04 = 509,502.72/x
  3. Step 3: Cross multiply
    1,308,407.04x = 1,961,447.04 × 509,502.72
  4. Step 4: Simplify right side
    1,308,407.04x = 999,362,602,015.95
  5. Step 5: Solve for x
    x = 999,362,602,015.95/1,308,407.04
  6. Step 6: Final answer
    x = 763,801.00

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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.