Home / 1,031,678.40-1,546,205.40-918,829.20

Finding the Fourth Proportional to 1,031,678.40, 1,546,205.40 and 918,829.20

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Solution

The fourth proportional to 1,031,678.40, 1,546,205.40 and 918,829.20 is: 1,377,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,678.40 : 1,546,205.40 = 918,829.20 : x
  2. Step 2: Convert to fraction form
    1,031,678.40/1,546,205.40 = 918,829.20/x
  3. Step 3: Cross multiply
    1,031,678.40x = 1,546,205.40 × 918,829.20
  4. Step 4: Simplify right side
    1,031,678.40x = 1,420,698,670,717.68
  5. Step 5: Solve for x
    x = 1,420,698,670,717.68/1,031,678.40
  6. Step 6: Final answer
    x = 1,377,075.13

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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.