Home / 1,357,492.47-2,034,347.10-1,020,139.17

Finding the Fourth Proportional to 1,357,492.47, 2,034,347.10 and 1,020,139.17

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Solution

The fourth proportional to 1,357,492.47, 2,034,347.10 and 1,020,139.17 is: 1,528,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,492.47 : 2,034,347.10 = 1,020,139.17 : x
  2. Step 2: Convert to fraction form
    1,357,492.47/2,034,347.10 = 1,020,139.17/x
  3. Step 3: Cross multiply
    1,357,492.47x = 2,034,347.10 × 1,020,139.17
  4. Step 4: Simplify right side
    1,357,492.47x = 2,075,317,162,085.91
  5. Step 5: Solve for x
    x = 2,075,317,162,085.91/1,357,492.47
  6. Step 6: Final answer
    x = 1,528,787.24

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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.