Home / 1,539,212.40-2,308,818.60-417,281.40

Finding the Fourth Proportional to 1,539,212.40, 2,308,818.60 and 417,281.40

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Solution

The fourth proportional to 1,539,212.40, 2,308,818.60 and 417,281.40 is: 625,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,212.40 : 2,308,818.60 = 417,281.40 : x
  2. Step 2: Convert to fraction form
    1,539,212.40/2,308,818.60 = 417,281.40/x
  3. Step 3: Cross multiply
    1,539,212.40x = 2,308,818.60 × 417,281.40
  4. Step 4: Simplify right side
    1,539,212.40x = 963,427,057,754.04
  5. Step 5: Solve for x
    x = 963,427,057,754.04/1,539,212.40
  6. Step 6: Final answer
    x = 625,922.10

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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.