Home / 1,292,038.40-1,937,909.71-345,482.93

Finding the Fourth Proportional to 1,292,038.40, 1,937,909.71 and 345,482.93

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Solution

The fourth proportional to 1,292,038.40, 1,937,909.71 and 345,482.93 is: 518,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,038.40 : 1,937,909.71 = 345,482.93 : x
  2. Step 2: Convert to fraction form
    1,292,038.40/1,937,909.71 = 345,482.93/x
  3. Step 3: Cross multiply
    1,292,038.40x = 1,937,909.71 × 345,482.93
  4. Step 4: Simplify right side
    1,292,038.40x = 669,514,719,709.92
  5. Step 5: Solve for x
    x = 669,514,719,709.92/1,292,038.40
  6. Step 6: Final answer
    x = 518,184.85

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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.