Home / 1,710,480-2,565,719.94-787,142.72

Finding the Fourth Proportional to 1,710,480, 2,565,719.94 and 787,142.72

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Solution

The fourth proportional to 1,710,480, 2,565,719.94 and 787,142.72 is: 1,180,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,480 : 2,565,719.94 = 787,142.72 : x
  2. Step 2: Convert to fraction form
    1,710,480/2,565,719.94 = 787,142.72/x
  3. Step 3: Cross multiply
    1,710,480x = 2,565,719.94 × 787,142.72
  4. Step 4: Simplify right side
    1,710,480x = 2,019,587,772,329.84
  5. Step 5: Solve for x
    x = 2,019,587,772,329.84/1,710,480
  6. Step 6: Final answer
    x = 1,180,714.05

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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.