Home / 1,430,068.26-1,973,508.45-776,707.04

Finding the Fourth Proportional to 1,430,068.26, 1,973,508.45 and 776,707.04

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Solution

The fourth proportional to 1,430,068.26, 1,973,508.45 and 776,707.04 is: 1,071,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,068.26 : 1,973,508.45 = 776,707.04 : x
  2. Step 2: Convert to fraction form
    1,430,068.26/1,973,508.45 = 776,707.04/x
  3. Step 3: Cross multiply
    1,430,068.26x = 1,973,508.45 × 776,707.04
  4. Step 4: Simplify right side
    1,430,068.26x = 1,532,837,908,635.61
  5. Step 5: Solve for x
    x = 1,532,837,908,635.61/1,430,068.26
  6. Step 6: Final answer
    x = 1,071,863.45

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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.