Home / 1,139,145.60-1,708,718.40-606,392.40

Finding the Fourth Proportional to 1,139,145.60, 1,708,718.40 and 606,392.40

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Solution

The fourth proportional to 1,139,145.60, 1,708,718.40 and 606,392.40 is: 909,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,145.60 : 1,708,718.40 = 606,392.40 : x
  2. Step 2: Convert to fraction form
    1,139,145.60/1,708,718.40 = 606,392.40/x
  3. Step 3: Cross multiply
    1,139,145.60x = 1,708,718.40 × 606,392.40
  4. Step 4: Simplify right side
    1,139,145.60x = 1,036,153,851,500.16
  5. Step 5: Solve for x
    x = 1,036,153,851,500.16/1,139,145.60
  6. Step 6: Final answer
    x = 909,588.60

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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.