Home / 1,709,577.90-2,358,476.19-1,030,128.30

Finding the Fourth Proportional to 1,709,577.90, 2,358,476.19 and 1,030,128.30

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Solution

The fourth proportional to 1,709,577.90, 2,358,476.19 and 1,030,128.30 is: 1,421,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,577.90 : 2,358,476.19 = 1,030,128.30 : x
  2. Step 2: Convert to fraction form
    1,709,577.90/2,358,476.19 = 1,030,128.30/x
  3. Step 3: Cross multiply
    1,709,577.90x = 2,358,476.19 × 1,030,128.30
  4. Step 4: Simplify right side
    1,709,577.90x = 2,429,533,068,195.18
  5. Step 5: Solve for x
    x = 2,429,533,068,195.18/1,709,577.90
  6. Step 6: Final answer
    x = 1,421,130.37

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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.