Home / 1,290,266.10-1,935,399.15-975,338.10

Finding the Fourth Proportional to 1,290,266.10, 1,935,399.15 and 975,338.10

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Solution

The fourth proportional to 1,290,266.10, 1,935,399.15 and 975,338.10 is: 1,463,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,266.10 : 1,935,399.15 = 975,338.10 : x
  2. Step 2: Convert to fraction form
    1,290,266.10/1,935,399.15 = 975,338.10/x
  3. Step 3: Cross multiply
    1,290,266.10x = 1,935,399.15 × 975,338.10
  4. Step 4: Simplify right side
    1,290,266.10x = 1,887,668,529,702.61
  5. Step 5: Solve for x
    x = 1,887,668,529,702.61/1,290,266.10
  6. Step 6: Final answer
    x = 1,463,007.15

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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.