Home / 1,249,123.45-1,872,537.04-450,209.47

Finding the Fourth Proportional to 1,249,123.45, 1,872,537.04 and 450,209.47

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Solution

The fourth proportional to 1,249,123.45, 1,872,537.04 and 450,209.47 is: 674,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,123.45 : 1,872,537.04 = 450,209.47 : x
  2. Step 2: Convert to fraction form
    1,249,123.45/1,872,537.04 = 450,209.47/x
  3. Step 3: Cross multiply
    1,249,123.45x = 1,872,537.04 × 450,209.47
  4. Step 4: Simplify right side
    1,249,123.45x = 843,033,908,333.77
  5. Step 5: Solve for x
    x = 843,033,908,333.77/1,249,123.45
  6. Step 6: Final answer
    x = 674,900.39

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1.5x scale

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.