Home / 1,565,143.32-2,348,515.62-745,409.93

Finding the Fourth Proportional to 1,565,143.32, 2,348,515.62 and 745,409.93

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Solution

The fourth proportional to 1,565,143.32, 2,348,515.62 and 745,409.93 is: 1,118,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,143.32 : 2,348,515.62 = 745,409.93 : x
  2. Step 2: Convert to fraction form
    1,565,143.32/2,348,515.62 = 745,409.93/x
  3. Step 3: Cross multiply
    1,565,143.32x = 2,348,515.62 × 745,409.93
  4. Step 4: Simplify right side
    1,565,143.32x = 1,750,606,852,165.53
  5. Step 5: Solve for x
    x = 1,750,606,852,165.53/1,565,143.32
  6. Step 6: Final answer
    x = 1,118,496.20

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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.