Home / 1,224,075.10-1,688,730.36-739,799.50

Finding the Fourth Proportional to 1,224,075.10, 1,688,730.36 and 739,799.50

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Solution

The fourth proportional to 1,224,075.10, 1,688,730.36 and 739,799.50 is: 1,020,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,075.10 : 1,688,730.36 = 739,799.50 : x
  2. Step 2: Convert to fraction form
    1,224,075.10/1,688,730.36 = 739,799.50/x
  3. Step 3: Cross multiply
    1,224,075.10x = 1,688,730.36 × 739,799.50
  4. Step 4: Simplify right side
    1,224,075.10x = 1,249,321,875,962.82
  5. Step 5: Solve for x
    x = 1,249,321,875,962.82/1,224,075.10
  6. Step 6: Final answer
    x = 1,020,625.19

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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.