Home / 1,386,269.43-1,913,030.70-774,430.96

Finding the Fourth Proportional to 1,386,269.43, 1,913,030.70 and 774,430.96

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Solution

The fourth proportional to 1,386,269.43, 1,913,030.70 and 774,430.96 is: 1,068,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,269.43 : 1,913,030.70 = 774,430.96 : x
  2. Step 2: Convert to fraction form
    1,386,269.43/1,913,030.70 = 774,430.96/x
  3. Step 3: Cross multiply
    1,386,269.43x = 1,913,030.70 × 774,430.96
  4. Step 4: Simplify right side
    1,386,269.43x = 1,481,510,201,510.47
  5. Step 5: Solve for x
    x = 1,481,510,201,510.47/1,386,269.43
  6. Step 6: Final answer
    x = 1,068,702.93

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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.