Home / 1,223,019.18-1,687,494.69-739,574.19

Finding the Fourth Proportional to 1,223,019.18, 1,687,494.69 and 739,574.19

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Solution

The fourth proportional to 1,223,019.18, 1,687,494.69 and 739,574.19 is: 1,020,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,019.18 : 1,687,494.69 = 739,574.19 : x
  2. Step 2: Convert to fraction form
    1,223,019.18/1,687,494.69 = 739,574.19/x
  3. Step 3: Cross multiply
    1,223,019.18x = 1,687,494.69 × 739,574.19
  4. Step 4: Simplify right side
    1,223,019.18x = 1,248,027,518,486.05
  5. Step 5: Solve for x
    x = 1,248,027,518,486.05/1,223,019.18
  6. Step 6: Final answer
    x = 1,020,448.03

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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.