Home / 1,345,290.95-2,017,342.75-385,528.74

Finding the Fourth Proportional to 1,345,290.95, 2,017,342.75 and 385,528.74

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Solution

The fourth proportional to 1,345,290.95, 2,017,342.75 and 385,528.74 is: 578,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,290.95 : 2,017,342.75 = 385,528.74 : x
  2. Step 2: Convert to fraction form
    1,345,290.95/2,017,342.75 = 385,528.74/x
  3. Step 3: Cross multiply
    1,345,290.95x = 2,017,342.75 × 385,528.74
  4. Step 4: Simplify right side
    1,345,290.95x = 777,743,607,591.81
  5. Step 5: Solve for x
    x = 777,743,607,591.81/1,345,290.95
  6. Step 6: Final answer
    x = 578,122.98

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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.