Home / 1,307,187.18-1,960,339.95-497,379.35

Finding the Fourth Proportional to 1,307,187.18, 1,960,339.95 and 497,379.35

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Solution

The fourth proportional to 1,307,187.18, 1,960,339.95 and 497,379.35 is: 745,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,187.18 : 1,960,339.95 = 497,379.35 : x
  2. Step 2: Convert to fraction form
    1,307,187.18/1,960,339.95 = 497,379.35/x
  3. Step 3: Cross multiply
    1,307,187.18x = 1,960,339.95 × 497,379.35
  4. Step 4: Simplify right side
    1,307,187.18x = 975,032,610,110.03
  5. Step 5: Solve for x
    x = 975,032,610,110.03/1,307,187.18
  6. Step 6: Final answer
    x = 745,901.29

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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.