Home / 1,564,851.60-2,345,527.80-666,140.40

Finding the Fourth Proportional to 1,564,851.60, 2,345,527.80 and 666,140.40

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Solution

The fourth proportional to 1,564,851.60, 2,345,527.80 and 666,140.40 is: 998,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,851.60 : 2,345,527.80 = 666,140.40 : x
  2. Step 2: Convert to fraction form
    1,564,851.60/2,345,527.80 = 666,140.40/x
  3. Step 3: Cross multiply
    1,564,851.60x = 2,345,527.80 × 666,140.40
  4. Step 4: Simplify right side
    1,564,851.60x = 1,562,450,826,903.12
  5. Step 5: Solve for x
    x = 1,562,450,826,903.12/1,564,851.60
  6. Step 6: Final answer
    x = 998,465.81

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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.