Home / 1,377,294.12-1,900,658.70-757,113.72

Finding the Fourth Proportional to 1,377,294.12, 1,900,658.70 and 757,113.72

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Solution

The fourth proportional to 1,377,294.12, 1,900,658.70 and 757,113.72 is: 1,044,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,294.12 : 1,900,658.70 = 757,113.72 : x
  2. Step 2: Convert to fraction form
    1,377,294.12/1,900,658.70 = 757,113.72/x
  3. Step 3: Cross multiply
    1,377,294.12x = 1,900,658.70 × 757,113.72
  4. Step 4: Simplify right side
    1,377,294.12x = 1,439,014,778,807.36
  5. Step 5: Solve for x
    x = 1,439,014,778,807.36/1,377,294.12
  6. Step 6: Final answer
    x = 1,044,812.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.