Home / 1,684,036.32-2,323,942.80-920,073.36

Finding the Fourth Proportional to 1,684,036.32, 2,323,942.80 and 920,073.36

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Solution

The fourth proportional to 1,684,036.32, 2,323,942.80 and 920,073.36 is: 1,269,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,036.32 : 2,323,942.80 = 920,073.36 : x
  2. Step 2: Convert to fraction form
    1,684,036.32/2,323,942.80 = 920,073.36/x
  3. Step 3: Cross multiply
    1,684,036.32x = 2,323,942.80 × 920,073.36
  4. Step 4: Simplify right side
    1,684,036.32x = 2,138,197,860,443.81
  5. Step 5: Solve for x
    x = 2,138,197,860,443.81/1,684,036.32
  6. Step 6: Final answer
    x = 1,269,686.31

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1.5x scale

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.