Home / 1,385,307.60-2,073,235.05-1,160,921.40

Finding the Fourth Proportional to 1,385,307.60, 2,073,235.05 and 1,160,921.40

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Solution

The fourth proportional to 1,385,307.60, 2,073,235.05 and 1,160,921.40 is: 1,737,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,307.60 : 2,073,235.05 = 1,160,921.40 : x
  2. Step 2: Convert to fraction form
    1,385,307.60/2,073,235.05 = 1,160,921.40/x
  3. Step 3: Cross multiply
    1,385,307.60x = 2,073,235.05 × 1,160,921.40
  4. Step 4: Simplify right side
    1,385,307.60x = 2,406,862,936,775.07
  5. Step 5: Solve for x
    x = 2,406,862,936,775.07/1,385,307.60
  6. Step 6: Final answer
    x = 1,737,421.30

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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.