Home / 1,225,621.80-1,838,432.70-910,693.80

Finding the Fourth Proportional to 1,225,621.80, 1,838,432.70 and 910,693.80

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Solution

The fourth proportional to 1,225,621.80, 1,838,432.70 and 910,693.80 is: 1,366,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,621.80 : 1,838,432.70 = 910,693.80 : x
  2. Step 2: Convert to fraction form
    1,225,621.80/1,838,432.70 = 910,693.80/x
  3. Step 3: Cross multiply
    1,225,621.80x = 1,838,432.70 × 910,693.80
  4. Step 4: Simplify right side
    1,225,621.80x = 1,674,249,261,607.26
  5. Step 5: Solve for x
    x = 1,674,249,261,607.26/1,225,621.80
  6. Step 6: Final answer
    x = 1,366,040.70

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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.