Home / 1,547,871.85-2,320,747.80-788,242.87

Finding the Fourth Proportional to 1,547,871.85, 2,320,747.80 and 788,242.87

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Solution

The fourth proportional to 1,547,871.85, 2,320,747.80 and 788,242.87 is: 1,181,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,871.85 : 2,320,747.80 = 788,242.87 : x
  2. Step 2: Convert to fraction form
    1,547,871.85/2,320,747.80 = 788,242.87/x
  3. Step 3: Cross multiply
    1,547,871.85x = 2,320,747.80 × 788,242.87
  4. Step 4: Simplify right side
    1,547,871.85x = 1,829,312,906,418.19
  5. Step 5: Solve for x
    x = 1,829,312,906,418.19/1,547,871.85
  6. Step 6: Final answer
    x = 1,181,824.52

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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.