Home / 1,077,875.30-1,615,376.12-509,407.18

Finding the Fourth Proportional to 1,077,875.30, 1,615,376.12 and 509,407.18

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Solution

The fourth proportional to 1,077,875.30, 1,615,376.12 and 509,407.18 is: 763,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,875.30 : 1,615,376.12 = 509,407.18 : x
  2. Step 2: Convert to fraction form
    1,077,875.30/1,615,376.12 = 509,407.18/x
  3. Step 3: Cross multiply
    1,077,875.30x = 1,615,376.12 × 509,407.18
  4. Step 4: Simplify right side
    1,077,875.30x = 822,884,187,343.07
  5. Step 5: Solve for x
    x = 822,884,187,343.07/1,077,875.30
  6. Step 6: Final answer
    x = 763,431.71

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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.