Home / 1,547,599.80-2,321,399.70-980,729.40

Finding the Fourth Proportional to 1,547,599.80, 2,321,399.70 and 980,729.40

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Solution

The fourth proportional to 1,547,599.80, 2,321,399.70 and 980,729.40 is: 1,471,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,599.80 : 2,321,399.70 = 980,729.40 : x
  2. Step 2: Convert to fraction form
    1,547,599.80/2,321,399.70 = 980,729.40/x
  3. Step 3: Cross multiply
    1,547,599.80x = 2,321,399.70 × 980,729.40
  4. Step 4: Simplify right side
    1,547,599.80x = 2,276,664,934,941.18
  5. Step 5: Solve for x
    x = 2,276,664,934,941.18/1,547,599.80
  6. Step 6: Final answer
    x = 1,471,094.10

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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.