Home / 1,490,913.54-2,057,547.29-1,122,731.55

Finding the Fourth Proportional to 1,490,913.54, 2,057,547.29 and 1,122,731.55

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Solution

The fourth proportional to 1,490,913.54, 2,057,547.29 and 1,122,731.55 is: 1,549,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,913.54 : 2,057,547.29 = 1,122,731.55 : x
  2. Step 2: Convert to fraction form
    1,490,913.54/2,057,547.29 = 1,122,731.55/x
  3. Step 3: Cross multiply
    1,490,913.54x = 2,057,547.29 × 1,122,731.55
  4. Step 4: Simplify right side
    1,490,913.54x = 2,310,073,252,486.34
  5. Step 5: Solve for x
    x = 2,310,073,252,486.34/1,490,913.54
  6. Step 6: Final answer
    x = 1,549,434.75

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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.