Home / 1,148,830.96-1,585,599.32-665,396

Finding the Fourth Proportional to 1,148,830.96, 1,585,599.32 and 665,396

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Solution

The fourth proportional to 1,148,830.96, 1,585,599.32 and 665,396 is: 918,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,830.96 : 1,585,599.32 = 665,396 : x
  2. Step 2: Convert to fraction form
    1,148,830.96/1,585,599.32 = 665,396/x
  3. Step 3: Cross multiply
    1,148,830.96x = 1,585,599.32 × 665,396
  4. Step 4: Simplify right side
    1,148,830.96x = 1,055,051,445,130.72
  5. Step 5: Solve for x
    x = 1,055,051,445,130.72/1,148,830.96
  6. Step 6: Final answer
    x = 918,369.61

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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.