Home / 1,402,285.70-1,935,098.10-790,565.40

Finding the Fourth Proportional to 1,402,285.70, 1,935,098.10 and 790,565.40

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Solution

The fourth proportional to 1,402,285.70, 1,935,098.10 and 790,565.40 is: 1,090,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,285.70 : 1,935,098.10 = 790,565.40 : x
  2. Step 2: Convert to fraction form
    1,402,285.70/1,935,098.10 = 790,565.40/x
  3. Step 3: Cross multiply
    1,402,285.70x = 1,935,098.10 × 790,565.40
  4. Step 4: Simplify right side
    1,402,285.70x = 1,529,821,603,465.74
  5. Step 5: Solve for x
    x = 1,529,821,603,465.74/1,402,285.70
  6. Step 6: Final answer
    x = 1,090,948.59

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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.