Home / 1,509,338.30-2,258,102.55-977,897.30

Finding the Fourth Proportional to 1,509,338.30, 2,258,102.55 and 977,897.30

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Solution

The fourth proportional to 1,509,338.30, 2,258,102.55 and 977,897.30 is: 1,463,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,338.30 : 2,258,102.55 = 977,897.30 : x
  2. Step 2: Convert to fraction form
    1,509,338.30/2,258,102.55 = 977,897.30/x
  3. Step 3: Cross multiply
    1,509,338.30x = 2,258,102.55 × 977,897.30
  4. Step 4: Simplify right side
    1,509,338.30x = 2,208,192,386,768.11
  5. Step 5: Solve for x
    x = 2,208,192,386,768.11/1,509,338.30
  6. Step 6: Final answer
    x = 1,463,020.18

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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.