Home / 1,675,445.95-2,312,918.47-1,031,418.19

Finding the Fourth Proportional to 1,675,445.95, 2,312,918.47 and 1,031,418.19

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Solution

The fourth proportional to 1,675,445.95, 2,312,918.47 and 1,031,418.19 is: 1,423,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,445.95 : 2,312,918.47 = 1,031,418.19 : x
  2. Step 2: Convert to fraction form
    1,675,445.95/2,312,918.47 = 1,031,418.19/x
  3. Step 3: Cross multiply
    1,675,445.95x = 2,312,918.47 × 1,031,418.19
  4. Step 4: Simplify right side
    1,675,445.95x = 2,385,586,181,944.97
  5. Step 5: Solve for x
    x = 2,385,586,181,944.97/1,675,445.95
  6. Step 6: Final answer
    x = 1,423,851.47

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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.