Home / 1,031,918.40-1,546,565.40-919,069.20

Finding the Fourth Proportional to 1,031,918.40, 1,546,565.40 and 919,069.20

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Solution

The fourth proportional to 1,031,918.40, 1,546,565.40 and 919,069.20 is: 1,377,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,918.40 : 1,546,565.40 = 919,069.20 : x
  2. Step 2: Convert to fraction form
    1,031,918.40/1,546,565.40 = 919,069.20/x
  3. Step 3: Cross multiply
    1,031,918.40x = 1,546,565.40 × 919,069.20
  4. Step 4: Simplify right side
    1,031,918.40x = 1,421,400,624,925.68
  5. Step 5: Solve for x
    x = 1,421,400,624,925.68/1,031,918.40
  6. Step 6: Final answer
    x = 1,377,435.10

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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.