Home / 1,539,205.40-2,308,808.10-1,259,269.40

Finding the Fourth Proportional to 1,539,205.40, 2,308,808.10 and 1,259,269.40

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Solution

The fourth proportional to 1,539,205.40, 2,308,808.10 and 1,259,269.40 is: 1,888,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,205.40 : 2,308,808.10 = 1,259,269.40 : x
  2. Step 2: Convert to fraction form
    1,539,205.40/2,308,808.10 = 1,259,269.40/x
  3. Step 3: Cross multiply
    1,539,205.40x = 2,308,808.10 × 1,259,269.40
  4. Step 4: Simplify right side
    1,539,205.40x = 2,907,411,390,802.14
  5. Step 5: Solve for x
    x = 2,907,411,390,802.14/1,539,205.40
  6. Step 6: Final answer
    x = 1,888,904.10

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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.