Home / 1,625,145.40-2,437,718.10-678,201.40

Finding the Fourth Proportional to 1,625,145.40, 2,437,718.10 and 678,201.40

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Solution

The fourth proportional to 1,625,145.40, 2,437,718.10 and 678,201.40 is: 1,017,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,145.40 : 2,437,718.10 = 678,201.40 : x
  2. Step 2: Convert to fraction form
    1,625,145.40/2,437,718.10 = 678,201.40/x
  3. Step 3: Cross multiply
    1,625,145.40x = 2,437,718.10 × 678,201.40
  4. Step 4: Simplify right side
    1,625,145.40x = 1,653,263,828,225.34
  5. Step 5: Solve for x
    x = 1,653,263,828,225.34/1,625,145.40
  6. Step 6: Final answer
    x = 1,017,302.10

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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.