Home / 1,075,303.69-1,612,959.76-435,619.51

Finding the Fourth Proportional to 1,075,303.69, 1,612,959.76 and 435,619.51

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Solution

The fourth proportional to 1,075,303.69, 1,612,959.76 and 435,619.51 is: 653,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,303.69 : 1,612,959.76 = 435,619.51 : x
  2. Step 2: Convert to fraction form
    1,075,303.69/1,612,959.76 = 435,619.51/x
  3. Step 3: Cross multiply
    1,075,303.69x = 1,612,959.76 × 435,619.51
  4. Step 4: Simplify right side
    1,075,303.69x = 702,636,740,300.92
  5. Step 5: Solve for x
    x = 702,636,740,300.92/1,075,303.69
  6. Step 6: Final answer
    x = 653,430.98

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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.