Home / 1,621,870.07-2,432,549.70-542,374.31

Finding the Fourth Proportional to 1,621,870.07, 2,432,549.70 and 542,374.31

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Solution

The fourth proportional to 1,621,870.07, 2,432,549.70 and 542,374.31 is: 813,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,870.07 : 2,432,549.70 = 542,374.31 : x
  2. Step 2: Convert to fraction form
    1,621,870.07/2,432,549.70 = 542,374.31/x
  3. Step 3: Cross multiply
    1,621,870.07x = 2,432,549.70 × 542,374.31
  4. Step 4: Simplify right side
    1,621,870.07x = 1,319,352,471,159.58
  5. Step 5: Solve for x
    x = 1,319,352,471,159.58/1,621,870.07
  6. Step 6: Final answer
    x = 813,476.06

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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.