Home / 1,628,037.80-2,442,056.70-831,775.40

Finding the Fourth Proportional to 1,628,037.80, 2,442,056.70 and 831,775.40

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Solution

The fourth proportional to 1,628,037.80, 2,442,056.70 and 831,775.40 is: 1,247,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,037.80 : 2,442,056.70 = 831,775.40 : x
  2. Step 2: Convert to fraction form
    1,628,037.80/2,442,056.70 = 831,775.40/x
  3. Step 3: Cross multiply
    1,628,037.80x = 2,442,056.70 × 831,775.40
  4. Step 4: Simplify right side
    1,628,037.80x = 2,031,242,688,465.18
  5. Step 5: Solve for x
    x = 2,031,242,688,465.18/1,628,037.80
  6. Step 6: Final answer
    x = 1,247,663.10

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Similar ratio
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1.5x scale

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.